— How are you, Bob?— ________

— Thanks for your help.— _________

— Hello, I'm Harry Potter.— Hello, my name is Charles Green, but ________ .

— Paul, ________?— Oh, that's my father! And beside him, my mother.

— Hi, Tom, how's everything with you?— ________, and how are you?

— Who's ________ ?— This is Tom.

— I'm sorry. I am late due to the heavy traffic.— ________

— It's rather cold in here. Do you mind if I close the window?— ________

— ________— He teaches physics in a school.

— Excuse me, how much is the jacket?— It's 499 Yuan.

— Could you help me with my physics, please?— ________

— Could I speak to Don Watkins, please?— ________

— Could I borrow your car for a few days?— ________

— Thank you for inviting me.— ________

— May I see your tickets, please?— ________