问题
选择题
—Is that Mr Li under the tree?
—No, it ______ be him. He's in the office now. [ ]
A. can't
B. mustn't
C. might
D. must
答案
答案：A
搜题请搜索小程序“爱下问搜题”
—Is that Mr Li under the tree?
—No, it ______ be him. He's in the office now. [ ]
A. can't
B. mustn't
C. might
D. must
答案：A