This hat is too old. Why not buying a new one?
— Your parents have never learned English, _____?— Yes, they learned a little.
— Sixteen –year-olds should ____ to drive.
_____ my uncle _____ my aunt are reporter.
—If there are _____ people driving, there will be ____ air pollution.— Yes , the air around us will be fresher and cleaner.
— Alice, is this you dictionary?— Oh,no, it’s not _______. Ask Tom. He is looking for ____.