I.Choose the best answer (A, B, C or D) to complete these sentences. 1. ……………… the film is late, I will wait to watch it. A. Because B. When C. But D. Although 2. The …………………makes fish die.. A. air pollution B. deforestation C. water pollution D. noise pollution 3. If the weather ……………… good, I ………………. camping with classmates. A. is / go B. is / will go C. will be / go D. will be / will go 4. Walking to school will help ……………… air pollution. A. reduce B. reuse C. recycle D. refill 5. Children ought to learn ................... to protect the environment A. what B. when C. how D. where 6. Amsterdam is one of the ……………… cities in the world. A. peacefulest B. peacefuler C. most peaceful D. more peaceful 7. Which one is different? A. running B. during C. swimming D. fishing 8. The people here are ……………… A. friendly B. delicious C. polluted D. long 9. He likes playing table tennis, ………………. he can’t play it. A. and B. but C. so D. or 10. In the future, we won’t go on holiday to the beach but we … go on holiday to the moon. A. must B. can’t C. might D. won’t 11. If we cut down more forests, there ………………… more floods. A. Are B. Were C. have been D. will be 12. They couldn’t go on a picnic ………………..the weather was bad. A. because B. when C. but D. Or 13. When your glass is broken, you can ………………….. it to make new one. A. reduce B. recycle C. reuse D. throw 14. ……………… makes fish die. A. water pollution B. deforestation C. air pollution D. soil pollution 15. Hi-tech robots will be able to look ……………… children in the future. A. on B. up C. after D. In