Question

1. If endangered species _____ saved, rainforests must be protected. a. are to be b. will be c. can be 2. A colony of ants is often observed _____ in cooperative activity. a. engaging b. to engages c. engage 3. Adult eagles let their offspring _____ near their original nesting area. a. build b. builds c. to build 4. _____ orangutans live alone. a. Near all b. Almost all c. The all 5. _____ you believe that a single bush in the Amazon may have more species of ants than the whole of Britain? a. may b. ought c. can 6. In the ocean, _____ more salt in the deeper water. a. it is b. there is c. it may be 7. Rainforests _____ generate 75% of their own rain. a. must b. can c. ought to 8. Everybody _____ try to protect the environment not only for ourselves but for the next generation. a. should b. may c. ought 9. _____ is a key component of modern waste management. a. Recycle b. Recycling c. To recycle 10. Tropical rainforests _____ around the earth’s equator. a. grows b. grow c. have grown d. will grow

Answer 1

1. If endangered species **are to be** saved, rainforests must be protected. (a)

2. A colony of ants is often observed **engaging** in cooperative activity. (a)

3. Adult eagles let their offspring **build** near their original nesting area. (a)

4. **Almost all** orangutans live alone. (b)

5. **Can** you believe that a single bush in the Amazon may have more species of ants than the whole of Britain? (c)

6. In the ocean, **there is** more salt in the deeper water. (b)

7. Rainforests **can** generate 75% of their own rain. (b)

8. Everybody **should** try to protect the environment not only for ourselves but for the next generation. (a)

9. **Recycling** is a key component of modern waste management. (b)

10. Tropical rainforests **grow** around the earth’s equator. (b)