It’s quite normal to ten percent of the cost of a building for a period of six months or so, in case faults are found in it.A．keep upB． keep awayC．keep offD．keep back 题目和参考答案——青夏教育精英家教网—

题目内容

It’s quite normal to ten percent of the cost of a building for a period of six months or so, in case faults are found in it.

A．keep up

B． keep away

C．keep off

D．keep back

短语辨析. A. 保持;继续 B. 防范;不接近 C.让开 D.留下;阻止.句意：扣留大约十分之一的建筑成本六个月左右的一段时间是很正常的事情，以防万一在里面发现什么问题。结合语境可知选D。

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