It is every citizen's duty to go out to ______ the snow on the street______ it stops falling so

题目简介

It is every citizen's duty to go out to ______ the snow on the street______ it stops falling so

题目详情

It is every citizen's duty to go out to ______ the snow on the street______ it stops falling so as to make it convenient for traffic to pass.
[     ]
A. sweep up; the instant    
B. clear up; the moment  
C. clean up; immediately  
D. whirled up; directly
题型:单选题难度:中档来源:同步题

答案

A

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