Then I usually lay there just the ceiling, thinking about everything that could go wrong.
--- What else do you want to know about the cell phone?--- _______ it can be used as a digital camera. You know, I’m into photography.
The old man stood there with his eyes ______ on the picture.
Scientists are convinced ______ the positive effect of laughter ______ physical and mental health.
---I’m going out tonight.---Well, I’d rather you ______.
Bitten twice, the postman refused to ______ our letters unless we changed our dog.