- 高二英语选择题sorrysir,icantanswerthequ
- sorry sir,i cant answer the questn
---well you are supposed ____ the part of history
a to be reading
b to read
c having read
d to have read
答案选择d为什么
- be supposed to do是固定词组,应该做某事
此题也可以等效于you should have read the part of history,
其中should have done 是情态动词的一种特殊用法,表示本应该做某事而实际上没做,同样shouldn't have done表示本不应该做而实际做了