—I saw Helen in the library this morning
题型:选择题
问题:
—I saw Helen in the library this morning.
—No, it ______ her. She moved to France last week. [ ]
A. can't be
B. can be
C. mustn't be
—I saw Helen in the library this morning.
—No, it ______ her. She moved to France last week. [ ]
A. can't be
B. can be
C. mustn't be