—Iwasluckytowinagoldmedalinthe800-meterrace.   —You

问题详情：

 — I was lucky to win a gold medal in the 800-meter race.

    — You ___________ through tough training.

   A. must go        B. should go        C. must have gone    D. should have gone

【回答】

C

知识点：虚拟语气与情态动词

题型：选择题