John _____ go there with us tonight, but he isn’t sure about it.
Doing some running every morning can make you full of _______, I think.
- 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.