8. You have to be aware of the damage humans are doing to quicken the __N______ of wildlife. A. extinct B. extinctive C. extinctions D. extinction 9. He was finally ____PII/A_____ in his final attempt. -> BE+ ADV+ PII/ADJ A. successful B. successive C. unsuccessful D. success 10. They did everything possible to ___V____ the police force. A. strengthen B. strengthening C. strength D. stronger 11. I spent a(n)___A_____ night because of my toothache. I’m very tired now. A. sleepy B. sleeping C. sleepless D. asleep 12. His low scores in the mock tests __V____ him quite a lot. A. courageous B. encouraging C. discouraged D. encouragement 13. The waste from the chemical factory is extremely ________.-> BE+ ADV+ PII/ADJ A. harmed B. unharmed C. harmful D. harmless 14. The restaurant is now under new ___N_____. A. manager B. manageable C. management D. manager 15. The problem of ___N_____ among young people is hard to solve. A. employment B. employers C. employees D. unemployment 16. The _________ of old buildings should be taken into consideration. A. preserve B. preservation C. preservative D. preserves 17. He became one of the most ________ actors in Vietnam. A. success B. successful C. successfully D. successive 18. Smoke from cigarettes can even do harm to _________. A. smoking B. smokers C. nonsmokers D. smoky 19. You should eat more. You’re a bit _________. A. underweight B. overweight C. weightless D. weighty 20. You should _________ yourselves with some grammatical terms. A. familiar B. familiarity C. unfamiliar D. familiarize 21. Although some societies are __undeveloped, their languages, from a linguist’s point of view, are very complex. A. technology B. technologically C. technological D. technologist 22. The ________ was a success; the patient will fully recover in a month’s time. A. operate B. operation C. operator D. operating 23. I like my work because I have the ________ to make my own decision. A. freed B. freedom C. freely D. free 24. She wants to look ______ in her wedding reception. A. natural B. naturally C. nature D. natured 25. Scientific progress supplies us with ______ such as washing machines, tractors,…. A. convenient B. conveniences C. inconvenience D. inconveniences 26. The old man has saved a lot of money for his _____________. A. retire B. retiring C. retirement D. retired 27. We had a ____A_____ discussion about football. A. bore B. boring C. bored D. boredom 28. He was ____A_____ in his final attempt. What a pity for him! A. successful B. successive C. unsuccessful D. success 29. You have to wear special clothes to work in the lab for the ____N____ of yourself. A. protective B. protector C. protection D. protectiveness 30. There are many interesting ____A_____ events included in this book. A. historical B. historically C. historian D. history 31. The ________ will judge you on your quality and performance. A. examining B. examinees C. examiners D. examination 32. People who are out of work are ____________. A. unemployed B. unemployment C. employed D. employee 33. A large number of students in this school…….English quite fluently. A. speaks B. is speaking C. has spoken D. speak 34.The quality of these recordings……..not very good. A. is B. are C. is being D. has been 35. If anyone…….., tell him I’ll come back later. A. was calling B. called C. call D. calls 36. About 60% of students in this class……from China. A. was B. were C. are D. is 37. A series of lectures………being presented at the Central Hall this week. A. are B. will be C. has become D. is 38.Peter, together with his uncle,……………fishing. A. have gone B. has gone C. go D. goes 39.The number of the months in a year…………twelve. A. was B. were C. are 40. He's always busy. He has …......... time to relax. A. much B. little C. a little D. plenty of 41.I’ll go to the town tomorrow, and_________ . a. so will my sister b. my sister will either c. neither will my sister d. will my sister too 42_____the gold medal, he will have to do better than that. a. To win b. So he wins c. That he wins d. Winning 43.When I first met him, he wore__________ a. a brown nice leather jacket b. a nice leather brown jacket c. a leather nice brown jacket d. a nice brown leather jacket 44.We often give him ________by e-mail to confirm the work . a. a good information b. some good informations’ c. some good information d. many piece of information 45. They had to complete their tasks on Monday ,_______? A. hadn’t they B. did they C. didn’t they D. had hey