动词时态和语态选择题5

问题描述:

动词时态和语态选择题5
--You ___ paru in the party in time.
--Sorry ,I was delayed by the accident.
A have supposed to take
B are supposed to take
C supposed to take
D are supposed to have taken

D这里是一个对过去时的虚拟语句,意思是说你本来被认为怎样而事实上你没有做到的意思