—Susan, why are you still here? They are all ready to start.—I’m sorry, but I when to leave.
---Are Bob’s pens ____ the pencil case? ---Yes, _____ are.
---Is this ________ dictionary? ---No, _____ isn’t _______ dictionary.
---How much ______ the blue socks? ---_________ three dollars.
---Do you like this skirt? ---No, I want a short one. This one is _____ for me.
---What about ________ football after school? ---Good idea.