—May I use your computer?—Sure, _____________
He went back to the hall to try his __________ at finding his lost gold watch, but never found it.
—Don't __________ your friends' trust, or you will lose friendship. —What you said is right.
Do you approve of the idea that success can be measured __________ money alone?
She is only a (n) __________, not a friend of mine.
It was __________ back home after the experiment.