I'm sorry for _____ all your stationery on your desk. [ ]A . knock downB . knocking offC.knocki

题目简介

I'm sorry for _____ all your stationery on your desk. [ ]A . knock downB . knocking offC.knocki

题目详情

I'm sorry for _____ all your stationery on your desk.
[     ]
A . knock down                  
B . knocking off
C.  knocking on                
D.  knocked over
题型:单选题难度:中档来源:同步题

答案

B

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