单项选择题
May I see your tickets, please?（）
A.Sure. B.No, you can't. C.No, they are mine. D.Yes, you can.
单项选择题 May I move your bag a little and take this seat?（）
单项选择题 May I move your bag a little and take this seat? .（）
单项选择题 May I borrow your umbrella for a moment?（）
