-I want to know if I_______smoke here.-no,you____.could you see the sign“NO SMOKING” there?

问题描述:

-I want to know if I_______smoke here.-no,you____.could you see the sign“NO SMOKING” there?
Acan,needn't Bmust,can't Cshall,won't Dmay,mustn't

Dmay,mustn't
我想要知道我在这里(可以)吸烟吗?
_不,你千万不要.你没看到"禁止吸烟"的标志吗?
主要是从意思上区别.