1. - Oh, dear. I forgot the air tickets.- You _ something.A. have left B. are always leaving C. are leaving D. always left2. - I _ so busily recently that I _ no time to help you with your math.- Thats OK. I can manage it by myself.A. have been working; have B. have worked; had C. am working; will have D. had been working; had had3. Remember to send me a photo of us next time you _ to me.A. are writing B. will write C. has written D. write4. He _ at the meeting, but his heart attack prevented him.A. will speak B. is going to speak C. had to speak D. was going to speak5. - I beg your pardon, but I didnt quite catch you. - Oh, I _ myself.A. am talking to B. talked about C. have talked to D. was talking to6. I _ ping-pong quite well, but I havent had time to play since the New Year.A. will play B. have played C. played D. play7. I first met Tom 10 years ago. He _ in a radio factory at that time.A. had worked B. has worked C. was working D. has been working8. - What _ when I phoned you?- I _ my work, and I wanted to go out.A. have you done; finished B. were you doing; have finishedC. did you do; had just finished D. were you doing; had just finished9. - Have you finished the report?- No. I _ it all this week.A. will do B. had done C. have done D. have been doing10. I can guess you were in a hurry. You _ your sweater inside out.A. had worn B. wore C. were wearing D. are wearing11. - We _ that you would fix the TV set this week.- Im sorry. I _ to fix it this week, but Ive been too busy.A. had expected; had intended B. are expecting; had intendedC. expect; intend D. expected; intend12. - Why? Tom, your shirt is so dirty!- Mum, I _ my storeroom downstairs.A. cleaned B. have cleanedC. was cleaning D. have been cleaning13. They wont buy new clothes because they _ money to buy a new house.A. save B. are savingC. have saved D. were saving14. The traffic in our city is already good and it _ even better.A. gets B. got C. has got D. is getting15. - I will come to attend your lecture at 10:00 tomorrow.- Im sorry, by then my lecture will have ended and I _ my guests in my office.A. is being met B. will meetC. will be meeting D. will have met16. - Alice came back home the day before yesterday.- Really? Where _?A. has she been B. had she beenC. has she gone D. had she gone17. I know Mr. Brown; we _ to each other at an international conference.A. are introduced B. are been introducedC. were introduced D. had been introduced18. - Where do you think _ he _ the computer?- Sorry. I have no idea.A. has; bought B. 不填; boughtC. did; buy D. 不填; buys19. Dont bother to look for my dictionary - it _ some day.A. turns up B. has turned upC. will turn up D. is going to turn up20. - What do you think of this kind of TV set, which _ in Shanghai?- Well, I dont care about such things.A. was made B. is madeC. has been made D. had been made21. - Did he notice you enter the room?- I dont think so. He _ to the radio with his eyes shut.A. listened B. was listeningC. has listened D. had listened22. The plane _ at 7:00 pm, so I have to be at the airport by 6:40 at the latest.A. has left B. would leaveC. will have left D. leaves23. The train _ at the present speed until it reaches the foot of the mountain at about nine oclock tonight.A. went B. is going C. goes D. will be going24. I used to drink a lot of tea but these days I _ coffee.A. prefer B. preferredC. had preferred D. am preferring25. The vegetables didnt taste very good. They _ too long.A. had been cooked B. were cookedC. have cooked D. cooked26. - Remember the first time we met, Jim?- Of course I do. You _ in the library.A. were reading B. had readC. have read D. read27. I want to buy that kind of cloth because I _ the cloth _ well.A. have told; washesB. have been told; washesC. was told; washedD. have been told; is washed28. - Is Tom still smoking?- No. By next Saturday he _ for a whole month without smoking a single cigarette.A. will be B. will have goneC. will have been D. has been going29. - _ Betty this morning?- Not yet, but she is sure to be here before noon.A. Have you seen B. Will you seeC. Do you see D. Did you see?30. Jim talked for about half an hour yesterday. Never _ him talk so much.A. I heard B. did I hearC. I had heard D. had I heard31. - Look at the black clouds. It _ soon.- Sure. If only we _ out.A. is raining; didnt comeB. is to rain; wont startC. will rain; havent startedD. is going to rain; hadnt come32. He _ articles for our wall-newspaper these three years, and he _ about forty articles.A. has been writing; has writtenB. has been writing; wroteC. is writing; has been writingD. has written; has written33. She _ to the office than she got down to writing the report.A. has no sooner got B. had hardly gotC. no sooner got D. had no sooner got34. When he was alive, the old scientist used to say that knowledge _ from practice and he gained his experience by doing a lot of practical work.A. was coming B. had comeC. comes D. would come35. - Dont forget to bring my new books tomorrow afternoon.- No, I _.A. dont B. do C. wont D. will36. I decided to go to the library as soon as I _.A. finished what I was doingB. finished what I didC. would finish what I was doingD. finish what I did37. You wont know whether the coat fits you until you _ it on.A. will try B. have triedC. tried D. are trying38. My dictionary _. I have looked for it everywhere but still _it.A. has lost; dont findB. is missing; dont findC. has lost; havent foundD. is missing; havent found39. _ it with me and Ill see what I can do.A. When left B. LeavingC. If you leave D. Leave40. - How are you planning to travel to Shanghai?- I _ yet, but I _ taking a train.A. didnt decide; am considering B. havent decided; considerC. havent decided; am considering D. hadnt decided; have considered41. - Excuse me, sir. Would you do me a favour?- Of course. What is it?- I _ if you could take me to the station.A. would wonder B. did wonderC. was wondering D. had wondered42. - Got your driving license?- No. I _ too busy to have enough practice, so I didnt take the driving test last week. Im going to next week.A. was B. have been C. am D. had been43. With the development of science, more new technology _ to the field of IT.A. has introduced B. is being introducedC. is introduced D. was introduced44. - Whos the man over there?- Its Jack.- Oh? _ in Italy.A. I think hesB. Ive thought hes beenC. I thought he wasD. Id thought hed been45. - I dropped in at your house at about ten last night, but you werent in.- I _ regular exercises at the club.A. did B. was doing C. had done D. have been doing46. - Each of the students, working hard at their lessons, _ th