问题补充:
-- Have you ever been to Shanghai, Mary?
-- Yes. I there for three clays with my parents last month.
A. have gone
B. have been
C. went
D. was
答案:
A. have gone
B. have been
C. went
(答案→)D. was
解析:考查时态。“玛丽,你去过上海吗?”“是的。我上个月和父母在上海待了三天。”根据last month可知,用一般过去时。Go不能与一段时间连用,be there“在那里”。故选D。