63 questions
Hot summer weather is nice, it can be dangerous for various groups of people when certain temperatures get too high.
Hot summer weather is nice, when temperatures get too high it can be dangerous for various groups of people.
Hot summer weather, which can contain high temperatures that can be dangerous for various groups of people.
Hot summer weather is nice, but high temperatures can be dangerous for various groups of people.
Hot summer weather is nice, when temperatures get too high, it can be dangerous for various groups of people.
I entered my friend's house, I realized that he had made a lot of home improvements.
After I entered my friend's house and realized that he had made a lot of home improvements.
Entering my friend's house I realized that he had made a lot of home improvements.
As soon as I entered my friend's house, I realized that he had made a lot of home improvements.
Entering my friend's house; I realized that he had made a lot of home improvements.
Which sentence is correct?
Lary is a bad babysitter he lets the kids do whatever they want to.
Lary is a bad babysitter, he lets the kids do whatever they want to.
Lary is a bad babysitter; he lets the kids do whatever they want to.
Because Lary is a bad babysitter he lets the kids do whatever they want to.
Which sentence is correct?
The air in the library was stale, moreover, the lightning was poor.
The air in the library was stale moreover; the lighting was poor.
The air in the library was stale; moreover, the lighting was poor.
The air in the library was stale, moreover; the lighting was poor.
Which option is not a sentence?
He laughed uncontrollably.
Rolled along the sidewalk.
She loved running at night.
Her dog barked and cried.
Either Jem or Scout is going to pass a note to Boo Radley.
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are going to
is go to
are going
After the Trojan War, Odysseus and his men are trying to get home to Ithaca.
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is
was
will
Which best completes the sentence?
Grandpop and I ________ books from the library.
checks out
check outs
check out
checks outs
Gerald went to three different grocery stores before he finally finds the brand of cereal he was looking for.
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found
will find
has found
The room is a mess: the desk is covered with papers, and a pile of dirty clothes are lying on the floor.
NO CHANGE
is lying
had been lying
have been laid
Although the overall crime rate is much lower this year, the number of car thefts in suburban areas are rising.
NO CHANGE
were
is
have been
Before he became a children's book author, Dr. Seuss is making training films for the US Army during WWII.
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makes
has made
made
The possibility of the existence of black holes were proposed by the geologist John Michell in 1784 in a letter to Henry Cavendish.
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have been proposed
was proposed
proposes
One of the biggest surprises in the former governor's memoirs was the news that he did not seek re-election because he had fallen ill.
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were
are
have been
A joint organization of teachers and library workers have agreed to sponsor a fundraiser to raise money for the museum.
NO CHANGE
has agreed to
are agreed on
are in agreement about
The increasing use of smartphones has made it much easier for companies to do business on the road.
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make
have made
are making
Whenever my family and I go to the movies, my father gets an extra-large popcorn and will refuse to share it with any of us.
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would refuse
refuses
refused
The orangelo - a hybrid fruit resulting from a cross between an orange and a grapefruit- have grown naturally in Puerto Rico.
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has grew
grow
grows
Measuring over ten feet long, the Mekong giant catfish seems frightening, but it actually has no teeth and has ate only algae and small plants.
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eats
ate
would eat
Once a reliable method for measuring degrees of longitude were discovered, cartographers were able to draw accurate maps of the oceans.
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discovers
was discovered
would have discovered
My fascination with science begins on my eighth birthday when I received a simple toy microscope as a present from my grandmother.
NO CHANGE
had began
begun
began
When we started this company, we believed that it takes at least five years of growth for it to become profitable, but it only took two.
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would take
will take
took
Both the wildlife in the area and the population of a nearby village was seriously damaged after a factory spilled toxic chemicals into the river.
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have
has been
were
When you listen to the music of early rock bands, one can hear the influence of the blues in their guitar melodies.
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you
we
they
Public safety groups are concerned about the injuries an airbag can cause from the force with which they are deployed.
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they were
those are
it is
Many of the people who went to our annual holiday party last year have decided not to go this year.
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whom
whose
which
Some paleontologists believe the Tyrannosaurus was a scavenger, eating animals that were already dead rather than hunting it's own prey.
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its
its'
their
Although their still experiencing financial difficulties, the investment firm has shown significant growth in the past year.
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there
its
it's
The proposed new contract provides higher wages for employees which have worked at the company for over three years.
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whom has worked
who has worked
who have worked
Because of their magnificent plumage and exotic origins, peacocks were often kept in European gardens to flaunt the wealth of the king.
NO CHANGE
they're
it's
its
Lindsay got an extension on the report that her and her lab partner should have finished by today.
NO CHANGE
she and her lab partner
her lab partner and herself
her lab partner and her
An architect has designed a new skyscraper who's top floors house giant wind turbines that generate much of the building's power.
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thats
whose
which
In the event of a fire drill, employees must immediately evacuate the building and should not return to his or her desk until the alarm stops.
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their desks
they're desks
it's desks
Marie Curie performed many experiments on radioactive elements without realizing that one's exposure to it was slowly killing her.
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her exposure to them
a person exposed to them
their exposure to it
Before my trip to Europe, I asked for travel advice from my friend Paul, whom grew up in Austria and frequently flies internationally.
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whose
who's
who
Although I am apprehensive about the test. I am going for it.
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about the test; I am
about the test, I am
about the test, but I am
When the movie first opened, critics loved its' stunning and innovative visual effects, but they were turned off by its formulaic plot.
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their
it's
its
Its difficult to predict exactly where hurricanes will hit, but forecasters can give the probabilities of various scenarios.
NO CHANGE
They're
It's
Ones
Every student of grammar knows that the English language has a series of specific complex rules about proper use of punctuation marks.
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series, of specific, complex rules
series, of specific complex rules
series of specific, complex rules
Today's rules, however, have not existed since the birth of writing.
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rules however
rules, however
rules however,
Ancient, Greek playwrights, began using simple punctuation marks in their texts.
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Ancient, Greek playwrights
Ancient Greek playwrights
Ancient Greek playwrights,
Books gradually started to become more widespread, and, punctuation began to apply to grammatical structures not just spoken units.
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widespread and punctuation began
widespread, and punctuation began
widespread, and punctuation began,
Because books were copied and produced by hand, the shapes, and meanings of these symbols still varied.
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shapes, and, meanings of
shapes and meanings of
shapes, and meanings of,
Because books were copied and produced by hand, the shapes and meanings of these symbols still varied, often drastically, from book to book.
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symbols, still varied often
symbols, still varied, often
symbols still varied often
The shapes of punctuation marks became standardized, with the invention, of the printing press.
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standardized, with the invention of
standardized with the invention of,
standardized with the invention of
The Italian publisher, and printer Aldus Manutius was the source of several important innovations.
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publisher and printer Aldus Manutius
publisher, and printer Aldus Manutius,
publisher and printer Aldus Manutius,
Even after the shapes of punctuation marks became uniform, it still took several, hundred years for their uses to become fixed.
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several hundred years
several hundred years,
several, hundred years,
Commas for example, were far more widespread in the seventeenth and eighteenth centuries than they are today.
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Commas, for example, were
Commas for example were,
Commas for example were,
Today, while there is some variation between British and American usage, English punctuation marks have been standardized into well-defined roles.
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usage, English punctuation marks,
usage English, punctuation marks
usage English punctuation marks,
Maybe in another two hundred years, a different set of new barely recognizable marks, will be standard.
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set of new, barely recognizable marks
set of new, barely recognizable marks
set, of new barely recognizable marks,
It's tiny, it's inconveniently located, and it's too expensive.
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tiny it's inconveniently located, and
tiny, it's inconveniently located, and
tiny, it's inconveniently located; and
All independent bakeries have a certain small-town charm to them, and this one is no different.
NO CHANGE
bakeries'
bakery's
bakerys'
Living above a bakery, though is more important to me than having walk-in closets of beautiful wood floors.
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bakery though,
bakery though
bakery, though,
Living above a bakery, though, is more important to me than having walk-in closets of beautiful wood, floors.
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beautiful, wood floors
beautiful, wood floor's
beautiful wood floors
Through modern geology, humans have a clearer -- though hardly complete -- understanding of the mechanism of magma flow, and can analyze the vibrations of the earth to warn of recent eruptions.
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and, can
and can,
and
Most volcanoes were being the result of magma flowing out of the surface of the earth and hardening, usually near a subduction zone.
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Most volcanoes have been
Most volcanoes are
Most volcanoes will be
As two tectonic plates collide, one of them is forced under the other, and the seabed rock melts to form new, low-density magma.
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one of the plates are
one,
one plate, being
Hotspot volcanoes form by a different mechanism.
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Formation of hotspot volcanoes is
There are hotspot volcanoes that forming
In addition, hotspot volcanoes are formed
Geologic processes are slow, while research must include the study of ancient human accounts of eruptions and layers of rock millions of years old.
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slow, but
slow, so
slow, although
In general, eruptions seem to occur every several hundred or even thousand years, and many volcanoes seem to be dormant, that is unlikely to erupt soon.
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Quite regularly,
Many times, eruptions
Often, eruptions
In general, eruptions seem to occur every several hundred or even thousand years, and many volcanoes seem to be dormant, that is unlikely to erupt soon.
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that is, unlikely to erupt soon
that is unlikely, to erupt soon
that, is unlikely to erupt soon
No one can say for sure that these volcanoes will not erupt again in the future, so scientists take serious the study of every volcano situated where a future eruption could bring significant human loss and environmental damage.
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taken seriously
seriously taking
take seriously