They ___________ for two hours A．is workingB．workedC．have been workingD．had work
题型：不详难度：来源：
They ___________ for two hours | A．is working | B．worked | C．have been working | D．had worked |
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答案
| C |
解析
| 考查时态。现在完成进行时态表示的是从过去的动作开始一直持续到现在还要持续下去，故选C，句意：他一直工作了两个小时了。根据语境可知还要工作下去。 |
举一反三
Look! The road ____________| A．is repaired | B．was repaired | C．is being repaired | D．was repairing |
|
--- Why don’t you ride your bicycle today?
--- Oh, it broke down. It ________ now.| A．is repairing | B．is being repaired | C．is repaired | D．will repair |
|
--- Daniel，why are you so late? We _______ you would be here an hour ago.
--- Sorry. I ________ know you were all here. | A．expect, don’t | B．expected; don’t | C．expected, didn’t | D．expect; didn’t |
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The situation wasn’t very good, but I ________ many worse situations.| A．was experiencing | B．experienced | C．would experience | D．had experienced |
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The elderly _________ good care of in public places like supermarkets and airports; they are likely to get lost.| A．can have been taken | B．ought to be taking | C．must be taken | D．should take |
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