________ I can’t understand is ________ he wants to change his mind.A．that; that_刷题宝

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________ I can’t understand is ________ he wants to change his mind.

A．that; that

B．what; why

C．which; what

D．what; 不填

上一题下一题 0.4难度单项选择更新时间:2012-06-13 01:33:19

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