How about taking______short breake? I want to make______call.
He was in great need of money, so he _____ $5, 000 for his car.
_____ when one loses freedom does one know its value.
Little Jim is going to spend his holiday in Paris, _____ lives his uncle.
The problem is not _____ easy. Think _____ over.
It is so difficult a problem that _____ student in this class _____ work it out.