—Is this your bag? —_________.A. Yes, it isB. Yes, it’s a big.C. It’s my bag
—Where is Jack? —He _________ basketball on the playground.
There is ________ useful book on the desk, _________ useful book belongs to my brother.
Could you tell me________?
Smoking will_______ your health.
Now many people are________ in playing_______ games on the Internet.