–Sorry , Mr. Green, I _______ my note book at home.--That’s OK, but don’t forget it next time.
I think _______ necessary for you _______ breakfast.
As we know, ________is good for our health.
— Must I finish my homework at once?— No, you ___________.
—Would you mind the room? —Certainly not. I’ll do it right away.
You’d better _______ too much meat. You are much too fat.