问题 选择题

They are letting us use their computer, and __________ we are giving them the results of our research.

A.in charge

B.in place

C.in return

D.in a row

答案

答案:C

考查短语辨析。句意“他们让我们用他们的电脑,作为回报,我们给他们我们的研究结果。”A“掌管,负责”;B“在原位”;C“作为回报”;D“一排”。故选C。

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