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Having checked the doors were closed, and all the lights were off, the boy opened the door to his be

编辑:chaxungu时间:2026-04-27 03:11:59分类:高中英语题库

【题目】Having checked the doors were closed, and all the lights were off, the boy opened the door to his bedroom.

A. why B. that

C. when D. where

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【答案】B

【解析】B [连接词that引导第二个宾语从句,不具有任何意义,但一般不能省略。]