问题
选择题
—May we play football in the street?
—No, you _____. It's dangerous. [ ]
A. can
B. mustn't
C. may
D. may not
答案
答案：B
搜题请搜索小程序“爱下问搜题”
—May we play football in the street?
—No, you _____. It's dangerous. [ ]
A. can
B. mustn't
C. may
D. may not
答案：B