考试
2020-03-16 08:36:53

9283 The machine needs a compl

题目描述

The machine needs a complete ______ since it has been in use for over ten years.A.maintain



The machine needs a complete ______ since it has been in use for over ten years.

A.maintaining

B.fitting

C.mending

D.renovating

请帮忙给出正确答案和分析,谢谢!

答案解析

Cmend“修理,改进,好转”;main

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