I don't know _____or not.[ ]A. whether he is at homeB. if he is at homeC. that he is at homeD.

题目简介

I don't know _____or not.[ ]A. whether he is at homeB. if he is at homeC. that he is at homeD.

题目详情

I don't know _____or not.
[     ]
A. whether he is at home    
B. if he is at home
C. that he is at home        
D. whether is he at hom
题型:单选题难度:中档来源:同步题

答案

A

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