He used to take a walk after supper each day,___?A.did he B.was he C.usedn't he D.wasn't he
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He used to take a walk after supper each day,___?
A.did he B.was he C.usedn't he D.wasn't he
C
填didn't he也可以.
我觉得答案好像都不对，非要选的话可能是C吧