单项选择题
A．Yes, of course. B．How do you do C．The same to you. D．Fine, thank you.
A．This is Mary speaking. B．Mary is me. C．Yes, I’d like to go. D．Yes, the food is wonderful.
A．Yes, I’d like to go. B．Yes, the food is wonderful. C．I’m glad to hear that. D．It’s very nice of you to say so.