It seems that oil______from this pipe for some time.We’ll have to take the machi
题型：不详难度：来源：
It seems that oil______from this pipe for some time.We’ll have to take the machine apart to put it right.| A．had leaked | B．is leaking | | C．leaked | D．has been leaking |
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答案
| D |
解析
| 考查时态。现在完成进行时表示从过去一直延续到现在的动作，而且此动作还有可能延续下去。 |
举一反三
—I remember I ______my bag somewhere around here.—Really? I never saw it.| A．left | B．leave | C．was leaving | D．had left |
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—I took a picture of you just now.—Really? I______with attention.| A．didn’t look | B．wasn’t looking | | C．am not looking | D．haven’t looked |
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Proper first aid can save a seriously injured person，especially when he or she is bleeding heavily or______.| A．has poisoned | B．was poisoned | | C．has been poisoned | D．is poisoning |
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—What’s the weather like tomorrow，John?
—Well，I______it，for the scenic pictures drew my attention as the weather forecast was going on.| A．was missing | B．missed | | C．will miss | D．had missed |
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—Could you meet me at the airport?—I’d like to，but I______Shanghai when you return.| A．will have left | B．was leaving | | C．will leave | D．have left |
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