—Iwasluckytowinagoldmedalinthe800-meterrace.   —You

問題詳情：

 — 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

知識點：虛擬語氣與情態動詞

題型：選擇題