— May I speak to Prof . Li please?
— _________________.

—Do you mind if I ask you why you choose to be a volunteer?
—____________________.

— Could I talk to Prof. Lee?
— _________________.

—_____________
— I'd like to have this film developed.

— I am sorry for what I have said to you.
—_____________

— Could I borrow your iPad for a few hours?
—_____________

— I was robbed when I was travelling in India.
— I am sorry to hear that.________________.

— Terribly sorry to interrupt, but may I use your dictionary?
— Yes,______________.

—Scott，I'd like to have your opinions about my written report.
—________________ But I have one suggestion.

— ________________________.

— I’m very glad to hear that. 

—I'm going to Beijing for a few days.
— _______. I wish I could go with you.

— Could you be so kind as to turn down that rock “n” roll? I'm preparing for tomorrow's meeting report.
— ______________.

— ___________ ?
— I wonder if you could practice interviewing with me in advance.

—Hurry up! If the fire spreads to the stairs, it could block our way out!

—_____________This is no time for talking.

I prefer __________ to __________.