Relax yourself every day,__________ you'll be too tired to get good grades.
It was his ambition to become ______ lawyer before he ______ thirty.
The little boy sat _____ to his father, and listened ____ with great interest
Two dresses look similar _____ each other , but they differ _____ material
______ some pennies , I think there are only nine pounds left in my pocket.
To keep healthy, Professor Johnson ______ cycling as a regular form of exercise after he retired.