It’s a fact ____ he has not received the letter.A．thatB．whichC．whetherD．what_刷题宝

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It’s a fact ____ he has not received the letter.

A．that

B．which

C．whether

D．what

上一题下一题 0.85难度单项选择更新时间:2010-07-27 01:57:57

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