I am a new student in this school, so I have ________ friends here.
I ______ this black bag in the library. Is it yours?
---Gina’s room is not ____________. ---Yes. Her books are everywhere.
---Where are Bill’s jackets? ---_____________.
---What’s the name _______your dog? ---It’s Molly.
---____________ does he like science? ---Because it’s interesting.