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Please remember to close all the windows ______ you leave.A、whileB、becauseC、be
Please remember to close all the windows ______ you leave.A、whileB、becauseC、be
游客
2025-07-11
25
管理
问题
Please remember to close all the windows ______ you leave.
选项
A、while
B、because
C、before
答案
C
解析
从主句和从句的逻辑关系分析,从句应为时间状语从句。because 引导原因状语从句,肯定不合适;while 和before 都可引导时间状语从句,但while 指“当……时”,强调主句动作与从句动作的同时性,而before 指“在……之前”,强调主句动作在从句动作之前。其实从句意和选项的词义就可断定答案应该是 before。
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