---Is_______ necessary to learn another language? --- I think so.
Would you mind _____?me to smoke here B. my smoking at here C. me smoking here D. if I will smoke here
Don’t too late,or you will feel tired in class tomorrow.
--- It’s a fine day today. Why not go out for a walk? ----___________.
I want to learn swimming. Can you give me ?
---Have you finished the book? ----No,I haven’t.But I will finish it soon.