---What are the police doing there? ---They are _______ the building. A robber ran into it just now.
— Thank you for your help.
—are the apples? — Four yuan a kilo.
— Do you know? — Sorry, I don’t have a watch.
— Have you ever been to Canada? — Yes, Ithere last year with my parents.
— How long may Iyour bike? — For a week. But you mustn’tit to others.