I noticed that he was wearing shoes that did not match. He too hard to noti

题干

I noticed that he was wearing shoes that did not match. He too hard to notice.

A．might be working	B．can have worked
C．must have been working	D．should have been worked

上一题下一题 0.4难度单项选择更新时间:2017-11-29 02:01:24

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