问题补充:
He must be helping the old man to water the flowers, ?
A. is he
B. isn’t he
C. must he
D. mustn’t he
答案:
A. is he
(答案→)B. isn’t he
C. must he
D. mustn’t he
解析:可联系答.案.网客服索取。
时间:2024-07-17 11:25:16
He must be helping the old man to water the flowers, ?
A. is he
B. isn’t he
C. must he
D. mustn’t he
A. is he
(答案→)B. isn’t he
C. must he
D. mustn’t he
解析:可联系答.案.网客服索取。