18.He used to go swimming in the river,_______?(A) didn't he (B) wasn't he (C) wouldn't he (D) weren't he
问题描述：
18.He used to go swimming in the river,_______?
(A)
didn't he
(B)
wasn't he
(C)
wouldn't he
(D)
weren't he
答
111
答
选A
used是动词的过去式，反义疑问句要用相应的助动词，就用did，而主句是肯定句，所以就用didn't he.
答
A
used 是过去式
答
A
used to do sth. 表示过去常常做某事；提问用助动词~~！