— How long will it be the president pays another visit to China?— It all depends. A. befo

发布时间：2020-08-16 21:23:38

— How long will it be      the president pays another visit to China?
— It all depends.
A. before
B. until
C. since
D. when

网友回答

(答案→)A. before
B. until
C. since
D. when
解析：固定句型。It be一段时间before从句，意为：— 一段时间以后某事才发生。句意：多久以后总统才会再一次访问中国？—看情况而定。
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