高考英语语法练习之动词的时态和语态
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 been
C. 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
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