The students have cleaned the classroom, ? A. so they B. don’t they C. have they D. haven’t they 查看更多

 

题目列表(包括答案和解析)

The students have cleaned the classroom,_____?
[     ]
A. so they     
B. don’t they    
C. have they    
D. haven’t they

查看答案和解析>>


同步练习册答案