—Sorry, sir. I made a mistake again.—____________. Practice more and you will do better.A. I’m not sure.B. Never mind.C. Don’t mention it.
There are _____ boys on the playground.
This is _____ book.And it is ____ English book.
Mum, ______ my English teacher, Miss Yang.
----___ class is Tony ___? ----Class Five.
----____ you American? ----No, I ___ English.