There __________a number of books in our school library. The number of books __________ getting larger than last year.
—You must look around when you go________the street.
—________does your father play table tennis? —Twice a week.
—To protect animals in danger ,we should peoplethem . —I agree with you.
—Paul isn’t as________as Sandy. He often makes mistakes in his homework. —That’s the main thing.
—What were you doing when the earth quake happened in Jilin? —I________TV when I heard the news.