. In that country, the rich ______ richer, the poor, poorer.

. Getting to other planets or to the moon _____ many problems.

.  None of them ______ my friends.

. Mathematics ______ the language of science.

. Early to bed and early to rise ______ a man healthy, happy and wise.

.  Three-fourths of the buildings ______.

.  Four-fifths of the crop ______.

.  The majority of the damage ______ easy to repair.

. A number of cars ______ in front of the park

. The president, accompanied by his assistants, ______.