—Excuse me, what'sthis for? —It's a cleaner and it ____ to pick up dirt.[ ]A. usesB. is us

题目简介

—Excuse me, what'sthis for? —It's a cleaner and it ____ to pick up dirt.[ ]A. usesB. is us

题目详情

—Excuse me, what's  this for?  
—It's a cleaner and it     ____ to pick up dirt.
[     ]
A. uses                    
B. is used    
C. is using                
D. used
题型:单选题难度:中档来源:同步题

答案

B

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