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Before we left the room the chairman made sure______the lights were turned off.A
Before we left the room the chairman made sure______the lights were turned off.A
游客
2025-03-06
10
管理
问题
Before we left the room the chairman made sure______the lights were turned off.
选项
A、if
B、which
C、when
D、that
答案
D
解析
本题考查连词的用法。make sure后接宾语从句时,引导词一般用that,that可省略。
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