题目内容

【题目】-Hello! Is Mr. John in the office?

-Yes. But I'm sorry. He is busy __________ and can't speak to you.

A. at once B. at present

C. at the end D. at first

【答案】B

【解析】

考查短语辨析。句意:——喂,约翰先生在办公室吗?——是的,但是对不起,他目前很忙不能和你说话。A:立刻;B:目前;C:在结尾;D:首先。

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