5.The opening ceremony is to be held in the lecture hall this afternoon. can seat 400 people. A.where B.when C.that D.which 解析:选D.考查定语从句.逗号前为主句.先行词不是this afternoon.而是the lecture hall.逗号之后的定语从句缺少主语.因此应用关系代词which引导. 查看更多

 

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