---Who cleaned the classroom?
---Mary ________.
---Can I talk to you for a minute, Brian?
---Sure, I have ________ time.
---Could you dance well when you were young?
---________. I began to have dancing lessons at the age of 5.
---What did you do before you came here?
---I in a factory.
---What were you doing at this time last night?
---I ______ a phone call.
---______ do they live?
---In New York.
---What kind of ______ do you like?
---I like documentaries.
---Be quite, the head teacher Mr. Qian is coming.
---Don’t worry. It _____ be him. Mr Qian is much fatter.
---How do you spell your name, please?
---______.
---Are the black shoes ______?
---No. It’s ______.