---That black T-shirt with Yao Ming’s picture on it ____ belong to David. He likes him very much.---No, it ____ be his. He hates black colour.
My classmate, Ann, ________ five Oxford Bookworm novels already.
Mr Brown, I have ________ special to show you. Guess what it is.
We ________ a sports meeting if it is fine next Wednesday.
I think Book 6 is ________ than Book 5.
She kept _________ hard at her physics and finally caught up with us.