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
— 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
问题解答：
我来补答展开全文阅读