For some time the expert __________ people of the health risks caused by passive
题型:不详难度:来源:
For some time the expert __________ people of the health risks caused by passive smoking. He says he won’t stop until all the smokers around him decide to quit smoking. A.is warned | B.is warning | C.has been warning | D.has been warned |
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答案
C |
解析
考查时态:句意是:有一段时间这个专家一直在警告被动吸烟引起的健康危害,他说知道身边所有的抽烟者都戒烟了他才停止。由此可知警告这个动作是从过去到现在一直在做,而且还要继续,符合现在完成进行时的用法。选C。 |
举一反三
Tony has to go to school by bus because his bicycle .A.will be repaired | B.is repaired | C.has been repaired | D.is being repaired |
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—I’m sure Andrew will win the first prize in the final. —I think so. He ________ for it for months.A.is preparing | B.was preparing | C.had been prepared | D.has been preparing |
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---Did you enjoy staying with your good friend last week,Lily? ---Yes, I______ with him for a long time.A.haven’t stayed | B.didn’t stay | C.wouldn’t stay | D.hadn’t stayed |
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-----Why didn’t you go to the gathering yesterday? ------It rained so hard and in addition, I ________ an important essay the whole morning.A.wrote | B.had written | C.was writing | D.have been writing |
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The mayor says that the new hospital ____________by the end of 2011. A.has been completed | B.has completed | C.will have been completed | D.will have completed |
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