23. A salty diet may increase the risk of stomach cancer ________ 10 percent, South Korean researchers found in a study of more than 2 million people.
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.
There is a feeling in me _______ we’ll surely find a cure for Aids.