Don’t talk about such things _______ you are not sure about.A．whichB．thatC．asD．w_刷题宝

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Don’t talk about such things _______ you are not sure about.

A．which

B．that

C．as

D．what

上一题下一题 0.64难度单项选择更新时间:2013-04-25 11:24:23

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