The mother did not know to blame for the broken glass as it happened while she was out.[ ]A. whoB.wh

题目简介

The mother did not know to blame for the broken glass as it happened while she was out.[ ]A. whoB.wh

题目详情

The mother did not know             to blame for the broken glass as it happened while she was out.    
[     ]
A. who    
B.when    
C.how    
D.what
题型:单选题难度:中档来源:同步题

答案

A

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