问题
选择题
— May I go out and play, Mum?
— No, you ____. You've got a lot of work to do. [ ]
A. needn't
B. mustn't
C. wouldn't
D. won't
答案
答案：B
搜题请搜索小程序“爱下问搜题”
— May I go out and play, Mum?
— No, you ____. You've got a lot of work to do. [ ]
A. needn't
B. mustn't
C. wouldn't
D. won't
答案：B