He thought the jar made ______ earth ______ little value and let me have it ______ only 5 dollars.
They prefer to spend time _____ rather than _____ in the street.
It was _______ the exam results were known _______ a lot of time on computer games.
---Do you know what Lily is doing?--- She _______ in the office by a reporter from WWF.
It is so nice to hear from her again. _____, we last met more than thirty years ago.
We _____ walk in the moonlight, taking about _____ we were interested in.