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题目
题型:不详难度:来源:

It has been announced that all the students ______ put on the masks before going to school in case they are infected with SARS virus.
A.shallB.willC.needD.may

答案
A
解析
考查情态动词的用法:shall用于第二,第三人称表示允诺,警告,规定,句意:已经宣布所有的学生在上学前要戴口罩以免感染Sars病毒。选A。
核心考点
试题【It has been announced that all the students ______ put on the masks before going】;主要考察你对虚拟语气等知识点的理解。[详细]
举一反三

______you like to have dinner with me this evening?
A.Would B.Must C.DareD.Can

题型:不详难度:| 查看答案
   – I was trying to repair that stupid machine, but I failed.
-- Well, you_______.
A.needn’t do thatB.needn’t have doneC.needn’t haveD.needn’t

题型:不详难度:| 查看答案
    It is thought that a new system _____ the place of the old one in that company. But things are getting worse and worse.
A.must have takenB.will takeC.won’t takeD.had taken

题型:不详难度:| 查看答案
   We were very busy yesterday. Otherwise we _____part in the discussion.
A.would takeB.did takeC.had takenD.would have taken

题型:不详难度:| 查看答案
   The man insisted that he ____ nothing wrong and that he _____ free.
A.had done; be setB.did; wasC.had done; would beD.did; would be

题型:不详难度:| 查看答案
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