It's necessary _______ us to keep our pets clean every day. [ ]A. of B. for C. with D. between

题目简介

It's necessary _______ us to keep our pets clean every day. [ ]A. of B. for C. with D. between

题目详情

It's necessary _______ us to keep our pets clean every day.
[     ]

A. of
B. for
C. with
D. between

题型:单选题难度:中档来源:期末题

答案

B

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