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Primar 5 Review unit 1 Grammar 1 and 2
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You ___ put your rubbish in the bin. A. don’t have to B. have to C. can’t
Answer: B. have to
Oops!
Okay!
10. If people keep throwing rubbish, sea plants ___ disappear. A. will B. must C. can’t
A. will
Oops!
Okay!
We ___ use plastic bags at the beach. A. must B. have to C. shouldn’t
Answer: C. shouldn’t (acceptable alternative: can’t)
Oops!
Okay!
You ___ throw rubbish into the sea! A. can B. can’t C. must
Answer: B. can’t
Oops!
Okay!
You ___ use biodegradable things. A. can B. must C. can’t
Answer: A. can
Oops!
Okay!
You ___ take your water bottle home, not leave it on the beach. A. must B. can’t C. won’t
A. must
Oops!
Okay!
If there are no fish left in the sea, we ___ have enough food. A. won’t B. will C. must
A. won’t
Oops!
Okay!
If people care for the environment, the future ___ be bright. A. can’t B. won’t C. will
C. will
Oops!
Okay!
8. If there is a big oil spill, sea animals ___ die. A. will B. won’t C. must
Answer: A. will
Oops!
Okay!
If we protect natural habitats, animals ___ have safe homes. A. won’t B. will C. must
B. will
Oops!
Okay!
1. We ___ keep the sea clean. A. can’t B. must C. don’t
Answer: B. must
Oops!
Okay!
The ocean is dirty. What ___ happen to sea creatures? A. will B. can C. must
A. will
Oops!
Okay!
If the sea is clean, fish ___ be healthy. A. must B. will C. can’t
B. will
Oops!
Okay!
We ___ protect sea animals. A. must B. can’t C. don’t
Answer: A. must
Oops!
Okay!
Don’t leave food on the beach. It ___ animals. A. helps B. hurts C. feeds
Answer: B. hurts
Oops!
Okay!
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