问题补充:
—They started working on the show two months ago, didn’t they?
—. A lot of work needed to be finished before the show.
A. Yes, they did
B. No, they didn’t
C. Yes, they didn’t
D. No, they did
答案:
(答案→)A. Yes, they did
B. No, they didn’t
C. Yes, they didn’t
D. No, they did
解析:反义疑问句。