问题
选择题
Costs have been reduced ___20% over past year.
A.in
B.on
C.to
D.by
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。
Costs have been reduced ___20% over past year.
A.in
B.on
C.to
D.by
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。