18 questions
Where are the kids? It's 8:30 so they ........ be at school. Classes begin at 8.
must
can't
mustn't
Do you want me to call your parents so they .......... pick you up?
must
can
can't
I'm absolutely sure! They ........... gone this way. There are their footprints here.
must have
could have
can't have
Soldiers ............ obey orders.
must
mustn't
can
I am sorry, but I .................. possibly go to the meeting tonight.
mustn't
must
can't
All students who are late for school ............ sign in at the office and pick up a late slip.
can
must
could
You ............... done very well in the test to get and A+.
can't have
may have
must have
"I ............. get my computer to save this file," she complained.
can't
can
must
Who in here ............... honestly say he's never broken a speed limit?
can't
can
must
She ................ moved it herself. It's too heavy.
can't have
could have
must have
Oh, excuse me. I ................ the wrong number.
had to dial
must have dialled
What would you do if you had no calculator and ............... it out in your head?
had to figure
must have figured
We wondered what the boss ................ .
had to think
must have thought
For and English assignment, we .............. a novel, write a report about the book, and present it orally in front of the class.
had to read
must have read
I ............... surgery on my ankle and I was on crutches for more than three months.
had to have
must have had
Anyone surfing the web today ............... the photo.
had to see
must have seen
I ................... quickly so I grabbed her and rushed her to the bathroom.
had to act
must have acted
To remove the old wardrobe, they .............. it in half to get it downstairs.
had to saw
must have sawn