Every minute is made full _______ of _______ our lessons well.A. to use; study B. use; studying C use; to study D. used; studying
That was the last time I saw my father before he _____.
The experiment __to be .
Many _______ of years later, the first extremely small plants began to appear on the surface of the water.
As a child, Franc _____.
They won’t buy any new clothes because they ________ money to buy a new car.