The student must be working very hard, ?A. doesn’t heB. mustn’t heC. needn’t heD. isn’t he

发布时间:2020-08-17 08:15:43

The student must be working very hard,     ?
A. doesn’t he
B. mustn’t he
C. needn’t he
D. isn’t he

网友回答

A. doesn’t he
B. mustn’t he
C. needn’t he
D. isn’t he
解析:可联系答.案.网客服索取。
以上问题属网友观点,不代表本站立场,仅供参考!