题目内容：

_______I smoke here ____No,You are not allowed to smoke in public places.
A Could B Must C May D Might

优质解答

C May
May I smoke here No,You are not allowed to smoke in public places.
我可以在这里抽烟吗?不,你是不允许在公共场所吸烟.
在这里用May比较正式和委婉一些.