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English 12: Unit 10: Endangered species
Activity:

Choose the best answer for the following sentences:


1. What does “biodiversity” mean?
A. a situation in which a plant, an animal, a way of life, etc. stops existing
B. the existence of a large number of different kinds of animals and plants which make a balanced environment
C. the natural environment in which a plant or animals lives
D. the act of preventing something form being lost, wasted, damaged or destroyed
Explain:


2. Jim gave me a letter to post. I ............... remember to post it.
A. needn’t
B. must
C. need
D. mustn’t
Explain:


3. “Are these gloves necessary?” “Yes. You ............... use this chemical without gloves. It will burn your skin.”
A. don’t have to
B. must not
C. could not
D. need not
Explain:


4. They have plenty of time, so they needn’t ............... .
A. to hurry
B. be hurry
C. hurry
D. to be hurried
Explain:


5. This is a valuable book. You ............... look after it carefully and you ............... lose it.
A. needn’t~must
B. must~mustn’t
C. must~need
D. need~should
Explain:
Score: 0/10
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