Don't leave the water ____ while you brush your teeth.[ ]A. runB. running C. being run D. to ru

题目简介

Don't leave the water ____ while you brush your teeth.[ ]A. runB. running C. being run D. to ru

题目详情

Don't leave the water ____ while you brush your teeth.  
[    ]
A. run              
B. running    
C. being run  
D. to run
题型:单选题难度:中档来源:同步题

答案

B

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