单项选择题
Will you have some dessert, Judy?（）
A.No, thank you. I‘m on a diet. B.Yes, I‘ve had enough. C.You are so good at making it. D.Oh, I don‘t mind.
单项选择题 I'm sorry to be late. Thank you for waiting.（）
单项选择题 Must I do the washing-up tonight?（）
单项选择题 Can I take your order now?（）
