---How much are the black socks?--- .
These shoes cost . What’s more, they are small for me,
I think that you have made in math.
— Could you tell me ? — Certainly. In half an hour.
—He didn’t go to school yesterday, _______he?— ______, he didn’t feel well.
- I’m sorry, Mr. Chen, I _______ my English book at home.-That’s OK. But don’t forget ________it to school tomorrow.