问题
选择题
—Is Mr Smith swimming in the pool, Harry?
—It _____ be him. I saw him go to the library just now. [ ]
A. may not
B. can't
C. needn't
D. mustn't
答案
答案：B
搜题请搜索小程序“爱下问搜题”
—Is Mr Smith swimming in the pool, Harry?
—It _____ be him. I saw him go to the library just now. [ ]
A. may not
B. can't
C. needn't
D. mustn't
答案：B