A. Choose the word which is stressed differently from the rest. 1.A.temperature B. serious C. awareness D. chemical 2.A.ability B. agriculture C. development D. contaminate 3.A.government B. agency C. benefit D. diversity 4.A.disappearance B. vulnerable C. conservation D. generation 5.A.current B. global C. crisis D. mankind 6.A.extinction B. animal C. classify D. primary 7.A.biologist B. seriously C. commercial D. identify 8.A.medicine B. endanger C. addition D. survival B. Choose the word which has the underlined part pronounced differently from the rest. 1.A. endangered B. destroyed C. damaged D. provided 2.A. attitude B. survive C. introduce D. human 3.A. medicine B. priority C. crisis D. primary 4.A. chemical B. which C. change D. each 5.A. protect B. commercial C. construction D. climate C. Choose the best answer 1. I _______ be at the meeting by 10:00. I will probably _______ take a taxi if I want to be on time. A. must/ have to B. may / must C. should / needn't D. mustn't / shouldn't 2. You _______ forget to pay the rent tomorrow. The landlord is very strict about paying on time. A. needn't B. mustn't C.do not have to D.may not 3. _______ I borrow your lighter for a minute? - Sure, no problem. Actually, you _______ keep it if you want to. A. May / can B.Must / might C.Will /should D.Might/ needn’t 4. I do not mind at all. You _______ apologize. A. shouldn't B. needn't C. mustn't D.oughtn't to 5.Ted's flight from Amsterdam took more than 11 hours. He _______ exhausted after such a long flight now. A. must be B. must be being C. must have been D. should have been 6.It is a top secret. You _______ tell anyone about it. A. mustn't B. needn't C. mightn't D. won't 7.We have plenty of time for doing the work. We _______ be hurried. A. needn't B. shouldn't C. mustn't D. mayn't 8.The computer _______ reprogramming. There is something wrong with the software. A. must B. needs C. should D. may 9._______ I be here by 6 o'clock? - No, you _______. A.Shall/mightn't B. Must / needn't C. Will / mayn't D.Might / won't 10.You _______ touch that switch, whatever you do. A. mustn't B. needn't C. won't D. wouldn't 11.Susan ___ hear the speaker because the crowd was cheering so loudly. A. mustn't B. couldn't C. can't D. needn't 12.Jane often wears beautiful new clothes. She _______ be very rich. A. must B. could C. might D. needn’t 13. The police are interested in the sudden _____ of the valuable painting. A. appear B. appear C.disappearance D.appearance 14. I believe you because I know you are _______ . A. truthful B. truthfully C. true D. to true 15. I feel so_______ that I’m going to bed. A. slept B. sleeps C.to sleep D. sleepy 16. The cost of _______ must be paid by the buyer. A. to carry B. carriage C. carry D. carries 17. While he _______ to drive he _______ twenty five accidents. A. is learning / had B. was learning / had C. was learning / has D. learnt/ had 18. He _______ a bad fall while he _______ his roof. A. had / was repairing B. had / is repairing C. had / repaired D. has / was repairing 19. This company offered a lot of _______ jobs. A. attractive B. attraction C.attract D. attractively 20. The _______ of the moon for the earth causes tides. A. attract B. attracted C.attraction D. attractive 21. What are the ____________ between women’s in old times and women in modern times? A. differs B. different C. difference D. differences 22. In the past people believed that women’s ___________ roles were as mothers and wives. A. nature B. natural C. naturism D. naturalist 23. Mr. Jones is a__________ teacher. A. devote B. devoted C. devoting D. devotion 24. It is necessary for students to listen to their teacher ______. A. attentive B. attentively C. attention D attend 25. She is _______ to understand the matter. A. enough intelligent B. so intelligent C. intelligent enough D. very intelligent 25. What_________! A. an exciting story B. is an exciting story C. a story exciting D. the exciting story 26. How _________! A. the room is dirty B. is the room dirty C. dirty the room is D. the dirty room is 27. The love for books is helpful in _________the pupils’ knowledge. A. developing B.development C.developed D.being developed 28.People say that playing football is the most interesting. A. The interesting thing is playing football. B. It was said that play football is the most interesting C. It is said that playing football was the most interesting D. Playing football is said to be the most interesting. 29.Oil lamps _____________ for years before electricity was discovered. A. had used B.has been used C. are used D.had been used 30.If you don’t rest, you really will be ill. A. You really won’t be ill unless you don’t rest. B. You really won’t be ill if you don’t rest. C. If you rest, you really will be ill. D.Unless you rest, you really will be ill. 31. Although he has a lot of money, he feels unhappy. A. Despite having a lot of money, he feels unhappy. B. Because of having a lot of money, he feels unhappy C. Though having a lot of money, he feels unhappy. D. Despite of having a lot of money, he feels unhappy. 32. - How ______ do you usually use the Internet? - Almost every day. A. long B. many C. often D. much 33. I have heard Mary has won the lottery. What ______ with such a big sum of money? A. was she done B. is she going to do C. did she do D. is she going doing 34. “It is you that stole my purse,” Mrs. Pike said to the young man. A. Mrs. Pike told the young man that it was you that stole her purse. B. Mrs. Pike denied the young man of stealing her purse. C. Mrs. Pike accused the young man of stealing her purse. D. Mrs. Pike asked the young man to steal her purse. 35. When I ______ to the party, Sally and Doug ____, John _____ drinks. A.was coming/ had danced/ made B.had come/ danced/ made C.came/ were dancing/ was making D.have come/ are dancing/ is making. 36.Don’t forget to come to my party tomorrow –___________ . A.I don’t B.I won’t C. I can’t D.I haven’t 37.Would you like to go to the movie with me ?-___________ . A.No,I wouldn’t. That’s boring B.I love to but I can’t. I’m visting grandma with mom C.Yes, I’d like to D.I’d love 38.I like ice cream!-___________ . A.Me, too B.I like ice cream C.I too like ice cream D.so I am 39.Do it carefully.The exercise is rather difficult, I’m___________ . A.happy B.afraid C.sad D.wrong 40.What a lovely house you have!-___________ . A.You’re welcome C.Thank you. Hope you will drop in B.Of course, it’s costly D.No problem 41.I’m sorry about that!-___________ . A.That’s right B.Of course C.You’re welcome D.It’s ok 42.Thank you very much “…’ A. Not at all C.That’s all right B.You are welcome D.All are correct 43.Where can we meet? __________________ . A. I do not want to meet you C. It’s up to you B. I do not know D. from your house 44.Excuse me, is anybody sitting here?-__________________ . A.No,thanks B.Yes, I’m so glad C. Sorry, the seat is taken D.Yes, Yes you can sit here 45.Shall we start now?- __________________ . A.Yes,we are B.Yes, let’s C.Of course not D.No, no 46. His health would be improved _______________ . A. if he continued to smoke heavily B.unless he stopped smoking heavily C. if he gave up smoking D. if only he doesn't smoke any more . 47.By the time we reach New York on Friday, we _________ over 60 hours traveling. A. have spent B. will spend C.will have spent D.will be spending 48.We ____________ to take a taxi. Otherwise we'll be late. A. would rather B. had better C. must have D. will have 49.The sea turtle is among the ______species; it is in danger of extinction. A. common B. normal C. abundant D. rare 50. If it _______ an hour ago, the streets _______ wet now. A.were raining / will be B. had rained / would be C.rained / would be D. had rained / would have been . may 9._______ I be here by 6 o'clock? - No, you _______. A.Shall/mightn't B. Must / needn't C. Will / mayn't D.Might / won't 10. You _______ touch that switch, whatever. feels unhappy. D. Despite of having a lot of money, he feels unhappy. 32. - How ______ do you usually use the Internet? - Almost every day. A. long B. many C. often D. much 33. I have heard Mary. to the movie with me ?-_ __________ . A.No,I wouldn’t. That’s boring B.I love to but I can’t. I’m visting grandma with mom C.Yes, I’d like to D.I’d love 38.I like ice cream !-_ __________ . A.Me,