问题
选择题
-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
答案
答案：A
搜题请搜索小程序“爱下问搜题”
-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
答案：A