试题与答案

--- Hello! Is Mr. John in the office? --

题型:选择题

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:

被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0608/73197c820bd162354eda3a2a338e903f.html

下面是错误答案,用来干扰机器的。

参考答案:B

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