问题
选择题
—Why did you cancel your trip to the New York?
—We were just about to leave_______ it started to snow.
A.when
B.before
C.after
D.since
答案
答案:A
—Why did you cancel your trip to the New York?
—We were just about to leave_______ it started to snow.
A.when
B.before
C.after
D.since
答案:A