He didn't expect that his parents could manage to know ________ is going on in

题干

He didn't expect that his parents could manage to know ________ is going on in his college life on the Internet.

A．how

B．which

C．what

D．that

上一题下一题 0.64难度单项选择更新时间:2014-06-06 04:45:58

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