题目内容

He wanted to pass the exam and stayed up very late,while this ________created further problems.

A.in turnB.in case
C.in doubtD.in short

A

解析考查介词短语的辨析。in turn 轮流,反过来,符合句意。in case假使,以防万一;in doubt 不确定,拿不准;in short总之,简言之。

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