Since then the number of people who were addicted to smoking ________ 20%.[ ]A.has reduced toB.reduc

题目简介

Since then the number of people who were addicted to smoking ________ 20%.[ ]A.has reduced toB.reduc

题目详情

Since then the number of people who were addicted to smoking ________ 20%.
[     ]
A.has reduced to  
B.reduces by
C.has reduced by  
D.have reduced by
题型:单选题难度:中档来源:同步题

答案

C

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