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Unit 9 Wheels(6)Unit 3 Clean Machines Grammar1. Are you a visitor here?- Thats right. I _ round the world and now my dream of coming to China _ true.A. have traveled; has come B. was traveling; has goneC. am traveling; has come D. have traveled; has been come2. Jim and I _ friends for three years. We first got to know each other at a Christmas party. But we _ each other several times before that.A. had been; have met B. have been; have met C. had been; had met D. have been; had met3. The policemen _ for the missing child for whole day and _ him yet.A. have looked; didnt find B. have been looking; havent foundC. looked; havent found D. have looked; havent found4. I _ grammar for ten years, but I still cant speak English.A. had studied B. studied C. an studying D. have been studying5. The oil price _ in the past two months and I dont know if it will continue.A. has been risen B. has been rising C. had been rising D. had risen6. Why are you still in the classroom now?- We _ the classroom all the morning.A. are cleaning B. have cleaned C. will clean D. have been cleaning7. It seems the oil _ from the pipe for a while. Wed better take the machine apart to put it right.A. had leaked B. is leaking C. has been leaking D. leaked8. She _ for ten years; she looks young, though.A. married B. was married C. has married D. has been married9. - _ Betty this morning?- Not yet. But shi is sure to be here before noon.A. Have you seen B Will you see C. Do you see D. Did you see10. I _ so busily recently that I _ no time to help you with your math. A. have been working; have B. have worked; had C. am working; will have D. had been working; had had11. _ you _ him around the museum yet?Yes. We had a great time there. A. Have; shown B. Do; show C. Had; shown D. Did; show12. How can you possibly miss the news? It on TV all day long.A. has been B. had been C. was D. will be13. Danny _ hard for long to realize his dream and now he is popular. A. works B. is working C. has worked D. had worked 14. The unemployment rate in this district_ from 6% to 5% in the past two years. A. has fallen B. had fallen C. is falling D. was falling 15. Now that she is out of job, Lucy _ going back to school，but she hasnt decided yet.(北京) A. had considered B. has been considering C. considered D. is going to consider 16. By the time he realizes he _ into a trap, itll be too late for him to do anything about it. (2008山东) A. walks B. walked C. has walked D. had walked 17. So far this year we _ a fall in house prices by between 5 and 10 percent. A. saw B. see C. had seen D. have seen 18.You dont need to describe her.I_her several times. (NMET) A.had met B.have met C.met D.meet19.Do you know our town at all? No,this is the first time I_here. A.was B.have been C.came D.am going20Great changes_in the city,and a lot of factories_. (NMET) A.have been taken placehave been set up B.have taken placehave been set up C.have taken placehave set up D.were taken placewere set up1-5 C B D B D 6-10 D C D A A AA CABCD B BB- 2 -用心 爱心 专心
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