He ___ work in Hangzhou, did he?
A. usedn’t B. didn’t used C. used to D. usen’t to
He ___ work in Hangzhou, did he?
A. usedn’t B. didn’t used C. used to D. usen’t to
D
从did he可知, 不能选C, used to的否定式是 usedn’t to ,didn't use(used) to, never used to三种形式.所以选D.