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The company had about 30 computers but only one­third  used regularly.Now we have 60 working all day long.
A.isB.are
C.wasD.were
上一题 下一题 0.99难度 单项选择 更新时间:2010-07-15 09:07:41

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同类题1

From his tired face, I can tell he _______ in the queue for a long time.
A.is waitingB.will waitC.will be waitingD.has been waiting

同类题2

It was not until I was chosen monitor of the class ________ to realize the importance of teamwork.
A.did I comeB.had I come.
C.when I cameD.that I came

同类题3

The naughty boy _____ quickly, otherwise he would have been caught by the angry headmaster.
A.had run awayB.ran away
C.should run awayD.were to run away

同类题4

The students have been working hard on their lessons and their efforts _____ with success in the end.
A.rewardedB.were rewarded
C.will rewardD.will be rewarded
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