题目内容


-----The windows must have taken you quite a long time that day.
------Right. They          for weeks.
A．haven’t been cleanedB．hadn’t been cleanedC．didn’t cleanD．haven’t cleaned
B
略
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Having broken the traffic rules, Tom _____from driving for a year.
A．has bannedB．had bannedC．is being bannedD．has been banned

——Is there any possible way to help them get rid of such a bad habit?
——To tell the truth, it’s very hard. But we_______ on this problem.
A．workedB．had workedC．are workingD．had been working
----- How about the book you are reading now?
----- Excellent indeed. You can find many problems we have come across _____ in it.
A．coveredB．coveringC．are referredD．referred

Experts suggest that teenagers spend at least 30 minutes exercising, five times a week. Walking and riding your bike _____ , and ______.
A．counts; so are school sportsB．count; school sports count, either
C．count; so do school sportsD．counts; so school sports do

You can’t imagine the difficulty he _____ onto the cliff and saving the boy in trouble.
A．had to climbB．had climbed C．had climbingD．had on climbing
---May I use your computer, Alex?
---Sorry. Mine _____.
A．has repairedB．is being repairedC．has been repairedD．is repairing
The manager had fallen asleep where he ______, without undressing．
A．was layingB．was lyingC．had laidD．had lied
By the middle of the 1920s the farthest corners of the earth       explored.
A．areB．wereC．have beenD．had been

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