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The lecture begins at 9 tomorrow morning .So I have to be at the hall 8:40 pm. a

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The lecture begins at 9 tomorrow morning .So I have to be at the hall 8:40 pm. a

The lecture begins at 9 tomorrow morning .So I have to be at the hall ____8:40 pm. at the latest

A.until

B.after

C.by

D.around

试题答案

C

by 后面加时间表示:到这时间为止。