---My bike is broken. May I go ______ yours?---Sorry, mine _______ broken down.
Miss Fang is _________ English teacher. ___________ is a good teacher.
---Your English is very good. --- ___________.
--- Are these your books? --- No, they aren’t. They are ____________.
--- _________, where’s my pen? --- __________, I don’t know.
---How many _______do you have? ---Let me see, my father has two brothers.