The question that puzzles them is ___they can finish the work on time. A．what it

题干

The question that puzzles them is ___they can finish the work on time.

A．what it is that

B．what is it that

C．how is it that

D．how it is that

上一题下一题 0.64难度单项选择更新时间:2013-11-07 04:27:56

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