i was supposed to leave 这里的to leave 什么成分

How was I supposed to know that? I supposed to.I wonder. ---Bob,where were you yesterday?we had a meeting.--- ( )to come to the meeting?Nobody told me about it.A.Did I supposed B.Would I supposed C.Was I supposed D.Had I supposed 怎么填?为什么? how was i supposed to know .我想知道这是一个什么句式?还有was supposed to 是be+形容词+介词这种固定词组吗?还有如果不是疑问句是不是应该这样写 i how was i supposed to know? ----You ( )part in the party in time.----sorry I was delayed by the accident.A.are supposed to takeB.have supposed to C.are supposed to have takenD.supposed to takeHow to choose?and tell me why please. ---You ___ part in the party in time.---Sorry I was delayed by the accident.A.are supposed to take B.have supposed to C.are supposed to have take D.supposed to take为什么,请解析, -----You _____ here in time.----Sorry,I was held up by the accident.Aare supposed to have arrivedB.are supposed to arrive C.have supposed to arrive D.supposed to arrive i was supposed to leave 这里的to leave 什么成分 i was supposed to leave 这里的to leave 什么成分 What else was I supposed to write?suppose在这里应该怎样理解呢? it was supposed to be easy. Oh I know what I supposed to I was supposed to take care of him.为什么这句话要用was 不用am呢? what am i supposed to do 歌词 where am i supposed to change 请问这句英文表达的是什么意思?The linen was supposed to be two yards and I got one.And the animal paisley was supposed to be one yard and I got two. im sorry that i __pass the quiz last time but i didnt at last.i was so__A.was supposed to,sad B.should,useless He is the man __ I supposed was capable of doing such a thing.who?to whom?of whom?whom?