---Do you know __________?---Sure, it’s a mouse.
— Do you know David? — Yes, I met _________ at your party.
— Who’s the little baby in the photo, Susan? — It’s me. This photo ten years ago.
— My brother’s ill in hospital. — I’m sorry ______ that.
I ______ Mr. Smith since he moved to Shanghai.
— Mum, must I wash the dishes right now? — No, you ______.