He doesn't know_____ to hand in the homework. I think he may do it tomorrow.[ ]A. where B. what

题目简介

He doesn't know_____ to hand in the homework. I think he may do it tomorrow.[ ]A. where B. what

题目详情

He doesn't know_____ to hand in the homework. I think he may do it tomorrow.
[     ]
A. where  
B. what  
C. which  
D. when
题型:单选题难度:中档来源:同步题

答案

D

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