Early to bed and early to rise ______ a man healthy, happy and wise.
A. making
B. to make
C. make
D. makes
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Mathematics ______ the language of science.
A. is
B. has been
C. are
D. have been
The young ______ the vital forces in our society.
A. is
B. has been
C. are
D. have been
Every man, woman and child ______ some history, enough at least, to survive in the world.
A. knows
B. know
C. is known
D. are known
None of them ______ my friends.
A. is
B. are
C. was
D. has been
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