--- Would you mind not littering in the classroom?

--- ______. I’ll pick up the waste paper.

A．With pleasure                          B．Thanks

C．No, not at all                           D．Yes, that’s all right.

----Are you sure you won't come for a drink with us?

----_________, if you insist. 

A. Not at all                 B. It depends                C. All right then       D.I don't care

－Did you have a good time last night?

－Not at all. Someone kept talking loudly in the theatre,        me from watching the movie.

A．having prevented                       B．to prevent

C．prevented                             D．preventing

“We‘ve missed the train！” “_____, there’ll be another in ten minutes.”

    A. All right                      B. Not at all

    C. Never mind                     D. Don’t mention it

— Oh dear! I’ve just broken a window.

— __________. It can’t be helped.      

A. Never mind     B. All right     C. That’s fine  D. Not at all