问题
选择题
You_________return the book now. You can keep it till next week if you like.
A．needn’t
B．mustn’t
C．couldn’t
D．ought to
答案
答案：A
搜题请搜索小程序“爱下问搜题”
You_________return the book now. You can keep it till next week if you like.
A．needn’t
B．mustn’t
C．couldn’t
D．ought to
答案：A