【題目】-When did you come back to Enshi?

-____the afternoon of May lst.

A.On B.At C.In

【答案】A

【解析】

試題分析:句意:--你什么時(shí)候回到恩施?—在5月1日的下午。at用在時(shí)間點(diǎn)的前面;in在某年或某月的前面;on用在具體的某一天的前面,這里就非常具體,故選A。

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