It’s better ____ your voice down in public places.
--- Are those books on the desk yours?--- _____. Mine are here.
--- This is not ______ watch. I think it’s ______.--- Oh, I see. Thank you.
--- Is your brother’s room _____?--- No, it isn’t. His books are everywhere.
--- Here’re some _____. Are they yours?--- No, mine _____ red. They’re in my schoolbag.
--- Is that your father?--- No, he’s my _____, my cousin’s father.