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It suddenly occurred to him he had left his keys in the office.A.whether B.where C.which D.that

编辑:chaxungu时间:2026-04-27 02:52:42分类:高中英语题库

【题目】It suddenly occurred to him he had left his keys in the office.

A.whether B.where C.which D.that

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【答案】D

【解析】it作形式主语,真正的主语为that he had left his keys in the office。且that在句中无意义,并不充当任何成分。