--You mustn’t smoke in the office.--_______
A.Certainly I will. B.Sorry, I won’t. C.I’m sorry to hear that. D.Yes, I needn’t.正确答案B
--You mustn’t smoke in the office.--_______
A.Certainly I will. B.Sorry, I won’t. C.I’m sorry to hear that. D.Yes, I needn’t.正确答案B