I never doubt ________ he was dedicated to our firm.A．that B．whetherC．if D．what_刷题宝

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I never doubt ________ he was dedicated to our firm.

A．that

B．whether

C．if

D．what

上一题下一题 0.85难度单项选择更新时间:2011-04-14 04:52:34

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