问题补充:
—I don’t know why Tom was absent from yesterday’s meeting.
—He must have been sick, ?
A. isn’t he
B. didn’t he
C. wasn’t he
D. mustn’t he
答案:
A. isn’t he
B. didn’t he
(答案→)C. wasn’t he
D. mustn’t he
解析:可联系答.案.网客服索取。
时间:2019-10-06 15:14:03
—I don’t know why Tom was absent from yesterday’s meeting.
—He must have been sick, ?
A. isn’t he
B. didn’t he
C. wasn’t he
D. mustn’t he
A. isn’t he
B. didn’t he
(答案→)C. wasn’t he
D. mustn’t he
解析:可联系答.案.网客服索取。