Somepassengerswerewalkingthroughone

发布时间:2020-07-10 02:47:32

Some passengers were walking through one of big halls at Pairs’ Charles De Caules Airport ________ the whole roof fell down.













A.while












B.as soon as











C.when











D.after

网友回答

C解析选项B和D表示的时间本身就说明有先后关系,而例句强调的是主句和从句二者动作同时发生。故先排除B和D,虽然可表示主从句二者动作同时发生,但while侧重的意思是“在……期间”,含有一个时间段,而例句则表示“就在这时”的意思,与just at that moment同义,因此用when更贴切。
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