He is a little bit mysterious these days. Nobody in our company knows exactly.A．

题干

He is a little bit mysterious these days. Nobody in our company knows exactly.

A．what he is working on	B．what is he working on
C．what did he work on	D．what was he working on

上一题下一题 0.85难度单项选择更新时间:2011-07-21 05:06:36

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