--- What’s happened to my library books? --- ________. A. I’ve no idea. B. You borrowed them from the library. B. You bought them yesterday. D. They’re about long life.
He has no money nor friends here. That’s why he ______ sleep in the street.
It was said ____that was _____ he succeeded in running his business.
The farmers are only allowed to cut _____ trees and cut them _____ for firewood once a year.
. Doctors say _____ good diet is of ______ great benefit to our health.
Mike is a student at a famous university, _______ for a doctor degree.