----Ipassedthecollegeentranceexamination.  ----Congratu...

問題詳情：

----I passed the college entrance examination.

   ----Congratulations! You________.

A. could have studied hard          B. must have studied hard      

   C. should have studied hard         D. might have studied hard

【回答】

  B

知識點：虛擬語氣與情態動詞

題型：選擇題