You ______drink wine before driving, or
题型:选择题
问题:
You ______ drink wine before driving, or the police will take your license away.[ ]
A. don't have to
B. needn't
C. mustn't
D. may not
You ______ drink wine before driving, or the police will take your license away.[ ]
A. don't have to
B. needn't
C. mustn't
D. may not