Costs have been reduced ___20% over past year. A.inB.onC.toD.by-英语

题目简介

Costs have been reduced ___20% over past year. A.inB.onC.toD.by-英语

题目详情

Costs have been reduced ___20% over past year.
A.inB.onC.toD.by
题型:单选题难度:偏易来源:不详

答案

D
考查介词与reduce的搭配。by为减少了多少;to减少到多少;按照句意:过去的一年,各项费用已经减少了20%可知答案。

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