I. Choose the word that has the underlined differently from the others

1. a. bag b. sandal c. waste d. matter

2. a. mix b. pipe c. deposit d. refill

3. a. dung b. difficult c. natural d. mixture

4. a. reader b. heavy c. clean d. mean

5. a. reused b. returned c. mashed d. cleaned

6. In 1876, the telephone ______ first introduced by Bell and Watson.

a. was b. is c. has been d. had been

7. It’s important ______wildlife in the area.

a. to conserve b. conserving c. conservation d. conserve

8. Japan _____ 40% of its waste.

a. reuses b. recycles c. refill d. broken

9. We were delighted _____your letter yesterday.

a. to get b. got c. getting d. get

10. Sooner or later a satellite _______ by a large piece of rubbish.

a. will destroy b. will destroyed c. will be destroyed d. will been destroyed

11. Let’s play tennis instead of _____ television.

a. watch b. watching c. watches d. to watch

12. Everything depends on what you mean ____the word “free”.

a. about b. by c. of d. for

13. We should use ______bags instead of plastic bags.

a. cloth b. clothe c. clothed d. clothing

14. Beer _____for breakfast in England years ago.

a. used be drunk b. used to be drunk c. used to drunk d. used to be drank

15. I____ some rice on the floor of the chicken coop.

a. scattered b. grew c. threw away d. raised