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I was just about to leave school______I heard the door bell.A、whenB、whileC、aft
I was just about to leave school______I heard the door bell.A、whenB、whileC、aft
游客
2024-01-15
48
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问题
I was just about to leave school______I heard the door bell.
选项
A、when
B、while
C、after
D、as
答案
A
解析
本题考查时间状语从句。句意:当我听到门铃响的时候,我正要离开学校。从句“我听到了门铃响”属于短暂性动作,因此不能用while连接。when和as都可以表示时间点,状态持续时间短,若主句与从句所表示的动作不是同时发生,而是有先后顺序时.一般要用when,故本题选A。
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