II. Choose A, B, C, D for each gap in the following sentences. 1Many fish in my lake have died because of the ………… water A. pollute B. pollution C. polluted D. polluting 2.My teacher always give us a clear ……….. A. explain B. explained C. explanatory D. explanation 3. You can see ………on the Canadian national flag A. the maple leaf B. the red leaf C. the rose D. the oak tree 4.Mary is ……most beautiful of ……three sisters. A. the/the B. a/the C. the/no article D. a/no article 5.Coal, oil and forests are the most important ……..resources A. industrial B. agricultural C. natural D. national 6. Vy had…..stomachache because she ate a big dinner. A. a B. an C. the D. no article 7. Have you taken notice …..the “stop” sign. A. at B. of C. to D. from 8.The Statue of Liberty is a major monument in New York which ……..freedom A. attracts B. symbolises C. decide D. understand 9. If I didn’t work for an accounting firm, I in a bank now. A. work B. will work C. have worked D. would work 10. The death rate would decrease if hygienic conditions improved. A. was B. is C. were D. had been 11. The education in Japan if the basic principles of education had not been taken into consideration. A. would go down B. would have gone down C. went down D. had gone down 12. If there , the rice fields could have been more productive. A. had been enough water B. were enough water C. would be enough water D. are enough water 13. The patient will not recover unless he an operation. A. had undergone B. would undergo C. undergoes D. was undergoing 14. If she him, she would be very happy. A. would meet B. will meet C. met D. should meet 15. If he a thorough knowledge of English, he could have applied for this post. A. had had B. had C. has D. has had 16. If I had enough money, I abroad to improve my English. A. will go B. would go C. went D. should have go to 17. The bench would collapse if they on it. A. stood B. stand C. standing D. stands 18. If it convenient, let’s go out for a drink tonight. A. be B. is C. was D. were 19. The water temperature in streams, rivers, oceans change is the effect of . A. radioactive pollution B. thermal pollution C. light pollution D. visual pollution 20. Smoking can heart disease. A. lead to B. create C. causes D. due to