单项选择题
A．It's a difficult decision to make. B．Cigarettes-addiction is dangerous. C．He's a cigarette addict. D．I wonder how long it will last this time.
A．No, the blue one is prettier. B．Yeah... but the blue one would look better on you. C．I think otherwise. D．I don't think I agree with you.
A．NO, you can't B．Not at the moment, thanks C．Yes, please D．Yes, thank you