Studies indicate that people are more _______ to suffer from back problems if they sit before computer screens for long hours.
We all consider _____ significant that we should cancel the order immediately.
_____, everyone present was amused by his adventure story in Africa.
_____ they are fit, I see no reason why they shouldn't go on playing basketball for another four or five years.
It was not until dark ______ he found ______ he thought was the correct way to solve the problem.
What a great weight she felt ________ off her mind the moment she heard she had passed the College Entrance Examination!