Costs have been reduced 20% over past year. A. inB. onC. toD. by

发布时间:2020-08-15 02:10:54

Costs have been reduced     20% over past year.
A. in
B. on
C. to
D. by

网友回答

A. in
B. on
C. to
(答案→)D. by
解析: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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