问题补充:
—The play is seldom put on here,is it?
—.Only once three weeks ago.
A. No,it isn’t
B. Yes,it is
C. Yes,it was
D. No,it is
答案:
(答案→)A. No,it isn’t
B. Yes,it is
C. Yes,it was
D. No,it is
解析:答语中的only once three weeks ago暗示了“这部话剧并不常在这儿上演”,这是对问句的肯定,故应用No,it isn’t(是的,不经常).C、D两项本身结构有误。