问题
选择题
— May I go out and play this afternoon?
— No, you _____. Work comes first [ ]
A. needn't
B. mustn't
C. won't
D. don'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 this afternoon?
— No, you _____. Work comes first [ ]
A. needn't
B. mustn't
C. won't
D. don't
答案：B