The problem is _______ we can arrive there before 6:00 tomorrow morning. A．which_刷题宝

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The problem is _______ we can arrive there before 6:00 tomorrow morning.

A．which

B．whether

C．when

D．that

上一题下一题 0.85难度单项选择更新时间:2010-07-11 10:20:27

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