—Why do you look so tired?—Because we ________ for three hours without stopping.

—Why do you look so tired?—Because we ________ for three hours without stopping.

题型:不详难度:来源:
—Why do you look so tired?
—Because we ________ for three hours without stopping.
A.workB.worked
C.have workedD.were working

答案
C
解析

试题分析:句意:-为什么你们看起来这么疲惫?-因为我们已经不停地工作了三个小时了。work是一个动词,意思是工作。根据句意可知,说话人已经工作了三个小时了,表示从三个小时之前就工作,一直持续到现在,故应该用现在完成时,故选C。A是一般现在时;B是一般过去时;D是过去进行时。
举一反三
A new gym ________ in our neighbourhood next year.
A.is builtB.was built
C.has been builtD.will be built

题型:不详难度:| 查看答案
They hoped ________ the secret forever.
A.keepB.keptC.keepingD.to keep

题型:不详难度:| 查看答案
-How much is the ticket to Central Park?
-A one-way ticket      $40, and you can      another $ 20 for a round-trip.
A.spent; payB.cost; spendC.cost; payD.takes; spend

题型:不详难度:| 查看答案
Young people today      posting wonderful articles and beautiful photos onto the micro message to share with friends.
A.are afraid ofB.are used toC.used toD.would like

题型:不详难度:| 查看答案
-I’d like you to tell me something about Shennongjia.
-I’m sorry, but neither Jack nor I        there.
A.have beenB.have goneC.has beenD.has gone

题型:不详难度:| 查看答案
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