问题
选择题
Nobody knows exactly how many years it will be ____the Chinese football team enters the final stage of the World cup.
A. when B. for C. before d. until
答案
答案:C
句意:没人能确切第知道还得有多少年中国足球对才能进入世界杯决赛。Before 与一段时间连用,意为“才,就 ”。