当前位置: X题卡 > 所有题目 > 题目详情

   that river    very clean? A.Did use to B.Did use to be  C.Does used to D.Does use to be

查看本题答案

你可能感兴趣的试题

used to be  will be  has been  is  
being clean  cleaning  to clean  how to clean  
dirtier    dirty    cleaner    clean  
Did ;use to    Did ;use to be    Does ;used to    Does ;use to be  
Cleaned up  Cleaning up  To clean up  Clean up  
Suffered    suffer    Having suffered    To suffer  
Having suffered    Suffering    Suffered    Suffers  
since then    ever since    after    before  
be    being    have    having  
Having suffered    Suffering    To suffer    Suffered  
Having suffered    Suffering    To suffer    Suffered  
不填;the  a;the  不填;a  a;a  
when    ever since    after    before  
Did; use to    Did; use to be    Does; used to    Does; use to be  
Did ;use to    Did ;use to be    Does ;used to    Does ;use to be  

热门试题

更多