-----Did Mary come to the party? ---I do
题型:选择题
问题:
-----Did Mary come to the party?
---I don’t know.She _____while I was out.
A.may have come
B.must have come
C.might come
D.could come
-----Did Mary come to the party?
---I don’t know.She _____while I was out.
A.may have come
B.must have come
C.might come
D.could come