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“I’m going to the post office.” “_______ you’re there, can you get me some stamps?”
A.AsB.While
C.BecauseD.If
B。
尽管 as 和 while 均可用作从属连词引导时间状语从句,表示“当……的时候”,但两者有一个重要区别,就是这样用的 as 从句的谓语不能是状态动词。当然,如果 as 不是表示“当……的时候”,其谓语是完全可以用状态动词的。
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