Is/Are supposed to do 与Was/Were supposed to do 的区别是什么?具体用法?
Is/Are supposed to do 与Was/Were supposed to do 的区别是什么?具体用法?
was/were supposed to do 和is/are supposed to have done是一样的意思吗
be supposed to do与was/were supposed to have done
be supposed to do的用法~
be supposed to do sth 与 be supposed to have done sth的区别
be supposed to do
you were supposed to do,那么you were supposed to have done可以吗
should 和 be supposed to 的区别与用法?
be supposed to do的否定为什么?
be supposed to be\do
be supposed to do sth
Be (is was are were)supposed to be 求3个例句谢谢大家