They often argue________their friends________math problems.
— _______will your mother come back? — In two days.
—How dangerous!— Yes. I think the policeman should stop the children soccer in the street.
—What are you going to be when you grow up, Sam?—____ teacher like you.
If these trousers are too short, buy a longer_______.A. one B. pair C. ones
---Would you please pass me today’s newspaper? ---__________.A. Yes, please B. Here you are C. You are welcome