Theyarrivedatthehoteljustnow.

发布时间：2020-07-28 00:59:02

They arrived at the hotel just now. They don't know which room ______.A.to liveB.for livingC.to live inD.to living

网友回答

C解析Wh-question + 动词不定式，作宾语。which room作live in的逻辑宾语，故“in”不能省略。
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