It suddenly occurred to him he had left his keys in the office.A.whetherB.whereC.whichD.that-英语

题目简介

It suddenly occurred to him he had left his keys in the office.A.whetherB.whereC.whichD.that-英语

题目详情

It suddenly occurred to him       he had left his keys in the office.
A.whetherB.whereC.whichD.that
题型:单选题难度:中档来源:不详

答案

D
句意为: 他突然想起钥匙忘在办公室里。it 做形式主语,he had left his keys in the office 是后置的主语从句。成分完整,不含疑问语气。所以用that 连接。
【考点定位】sth occurs/occurred to sb 某人突然想起……  事(物)做主语。如 An idea occurrs to me that the lights in the classroom have been on.

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