-Whose book is this? -It _________ be Li
题型:选择题
问题:
-Whose book is this?
-It _________ be Li Ping's because there is his name on it.[ ]
A. must
B. may
C. can't
D. could
-Whose book is this?
-It _________ be Li Ping's because there is his name on it.[ ]
A. must
B. may
C. can't
D. could