问题
选择题
— May I smoke here?
— If you ______, choose a seat in the smoking section.[ ]
A. should
B. could
C. may
D. must
答案
答案：D
搜题请搜索小程序“爱下问搜题”
— May I smoke here?
— If you ______, choose a seat in the smoking section.[ ]
A. should
B. could
C. may
D. must
答案：D