—Would you mind__________ the room?—Not at all. I’ll do it at once.A. clean B. to clean C. cleaning
— What would you do if you won the lottery? — I would give it_____ medical research.
That notebook _____ John’s. It has his name on it.
Iplay the piano when I was a young boy.
Teenagers should not _____ .
—It’s a bit cold. Would you mind my _________all the windows? — Do as you like, please.