—Do you mind my opening the window for a while?

—_______

If the babysitter cannot come tomorrow，do you mind________alone at home，doing his homework?

A．Fred’s leaving　　                     B．Fred being left

C．Fred’s having left　　                  D．Fred having been left

—— Do you mind my opening the window? It’s a bit hot in here.  

——          , as a matter of fact 

A. Go ahead      B. Yes, my pleasure 

C. Yes, I do      D. Come on 

．--- Do you mind if I look at your notes?

    --- Of course not________

         A．Be my guest.     B．My pleasure.     C．It depends.         D．Do what you want to.

— ____

— Drop in if you have time.

— Sure. Bye!