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10 questions
It is dangerous to swim here because of the ____ current which could pull you out to sea.
calm
fast
heavy
strong
Going kayaking on such a _____-flowing river is exciting but it needs a lot of skill.
calm
fast
heavy
low
North Keeling is such a _____ island that few people have ever been there.
heavy
long
low
remote
The beach is so much bigger at ____ tide that it takes ages to walk down to the water.
fast
heavy
long
low
It was such a _____ sea that our boat hardly moved up and down at all.
calm
fast
heavy
low
I can’t believe you slept ____ the storm. The wind was really loud!
away
through
along
It is important to develop _____ energy instead of depending on oil, gas and coal.
returnable
renewable
reusable
It is obvious that climate _____ is happening, but not everyone agrees on the cause.
turn
exchange
change
We were really scared when we ______ face to face with a bear in the forest.
went
came
turned
Because of global ______, storms are becoming more frequent and dangerous.
heating
changing
warming
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