What way can you think of ______ the mice in the room?
- My brother would rather_______ the weight -loss pills than_______ in a gym. - Really? He must be mad.
I'm afraid I have to go now, for my parents_______ outside.
Smoking is not allowed in our school, so it may be a good chance for our math teacher to_______ smoking.
She looked at the professor and wondered where she_______ him.
- How often do you play basketball? -_______. I am too busy to relax myself.