问题
选择题
．－May I keep this book for two days?
－No, you_______. It’s a library book for reference only.
A．may not
B．mustn’t
C．needn’t
D．shouldn’t
答案
答案：B
搜题请搜索小程序“爱下问搜题”
．－May I keep this book for two days?
－No, you_______. It’s a library book for reference only.
A．may not
B．mustn’t
C．needn’t
D．shouldn’t
答案：B