高等继续教育 / 电子商务英语
正确率:100%
题型描述: 单选题
He never used to swim in winter, _______?
A.wasn’t he
B.did he
C.didn’t he
D.was he
He never used to swim in winter, _______?
A.wasn’t he
B.did he
C.didn’t he
D.was he
参考答案: