Experts have found that the disease will lead to a greater increase in the number of sufferers unless ________ seriously when the symptom first appears.
―Do you still live in the countryside? ―Yes. I don’t want to leave the house,______ it is very shabby.
Is this the reason ______ at the meeting for his carelessness in his work?
As a rough estimate, Nigeria is _______ Great Britain.
The new building _____ at the end of this year _____ to that university.
The purpose of the campaign is to raise the public’s_______ of the dangers of passive smoking.