28. How long ?

　　A. you suppose did it last B. do you suppose it lasted

　　C. did you suppose it last D. you suppose it lasted

　　29. Smmith had some trouble the man’s accent.

　　A. to understand B. understanding C. for understanding D. with understanding

　　30. The next few days could be for the peace negotiation.

　　A. maximum B. practical C. critical D. urgent

　　31. He quite a lot when he was young.

　　A. used to travel B. used to traveling C. was used to travel D. would used to travel

　　32. You me your telephone number in case someone wants to contact you.

　　A. had better give B. had better given C. had better to give D. had better gave

　　33. Mary used to the room with Linda.

　　A. separate B. divide C. hold D. share

　　34. —Must we hand in our exercise-books now?

　　—No, you .

　　A. mustn’t B. don’t C. needn’t D. can’t

　　35. She pulled away from the window anyone should see them.

　　A. lest B. even though C. unless D. only if

　　36. Not a has been found so far that can help the police find the criminal.

　　A. fact B. clue C. symbol D. sign

　　37. She would make a teacher far superior the average.

　　A. over B. than C. beyond D. to

　　38. Radio is different from television in it sends and receives pictures.

　　A. which B. that C. what D. this

　　39. Tom and jack have returned but students of the group haven’t come back yet.

　　A. other B. the others C. others D. another

　　40. It half a year since we to study in this university.

　　A. is; come B. is; have come

　　C. has been; came D. has been; have come

　　41. The fact that something is cheap doesn’t mean it is of low quality.

　　A. necessarily B. especially C. essentially D. practically

　　42. They set off by car and the nearest town.

　　A. made for B. made after C. made out D. made to

　　43. Take this baggage and you can find enough room.

　　A. put it which B. put it in which

　　C. put it at where D. put it wherever

　　44. He doesn’t want that he’s going away.

　　A. . to be known B. him to be known

　　C. that to be known D. it to be known

　　45. The noise around was terrible, but I had to it.

　　A. keep away from B. keep up with C. live with D. live on

　　46. He that his guests were bored, although they were listening politely.

　　A. impressed B. sensed C. inferred D. identified

　　47. On Sundays I prefer at home to out.

　　A. to say; go B. stay; going C. staying; going D. staying; go

　　48. I’d like to write to him, but what’s the ? He never writes back.

　　A. significance B. business C. point D. purpose