— You _____ part in the party on time. — Sorry, I was delayed by the accident. A. are to take B. have supposed to take C. were to have taken D. supposed to take
问题描述：
— You _____ part in the party on time.
— Sorry, I was delayed by the accident.
A. are to take B. have supposed to take
C. were to have taken D. supposed to take
答
c虚拟语气,表示应该实际却没有