—How long do you think it will be the Stock Market returns to normal?
—At least one year, I guess.
A. before
B. when
C. until
D. that
网友回答
(答案→)A. before
B. when
C. until
D. that
解析：考查before句型。It be 一段时间before从句 意为：一段时间以后某事才发生。句意：你认为多久以后股市才回归正常？我猜至少一年。