.
A. would wonder B. did wonderC. was wondering D. had wondered 42. --- Got your driving license?
--- No. I ______ too busy to have enough practice, so I didn’t take the driving test last week. I’m going to next week.
A. was B. have been C. am D. had been
43. With the development of science, more new technology ______ to the field of IT. A. has introduced B. is being introduced C. is introduced D. was introduced 44. --- Who’s the man over there?
--- It’s Jack. --- Oh? ______ in Italy.
A. I think he’s B. I’ve thought he’s beenC. I thought he was D. I’d thought he’d been 45. --- I dropped in at your house at about ten last night, but you weren’t in. --- I ______ regular exercises at the club.
A. did B. was doing C. had done D. have been doing
46. --- Each of the students, working hard at their lessons, ______ the book. --- So have I. A. is reading B. has read C. reading D. reads 47. The baby is generally healthy, but every now and then he ______ a cold. A. has caught B. is catching C. will catch D. does catch
48. It is when the plane ______ that you’d better find out at the booking office. A. would take off B. had taken off C. was taking off D. is taking off
49. --- I’m sorry, but there’s no smoking on this flight.--- Oh, I ______ that. Sorry, I won’t again. A. don’t know B. didn’t know C. won’t know D. haven’t known
50. I thought Jim would say something about his school report, but he ______ it. A. doesn’t mention B. hadn’t mentioned C. didn’t mention D. hasn’t mentioned
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答案：
1-5 BADDD 6-10 DCDDD 11-15 ADBDC 16-20 BCBCB 21-25 BDDAA 26-30 ABBAD 31-35 DADCC 36-40 ABDDC 41-45 CDBCB 46-50 BDDBC
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