Our Maths teacher _______ in America, but now he’s _______ Chinese food since he moved to Wuxi
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.
It is important_______ you_______ out for a walk after supper.