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Do you know how much time and effort they devoted such a complicated project ? A

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Do you know how much time and effort they devoted such a complicated project ? A

Do you know how much time and effort theydevoted___________such a complicated project ? 

A．to complete

B．completed

C．completing

D．to completing

 

试题答案

【答案】

D

【解析】

试题

标签：timemucheffortandyou

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