---I think ______ people drive, ______ air pollution there will be.---That’s true. I hope the air will be fresher soon.
--Is her name Mary?--Yes, _______.
--Where is the dog?---It’s_______the chair.
Look !This is_____room.
_____ is my sister. ______ name is Tina.
–Is ____ your family photo?--Yes,_____ are my parents.