Thomas Jefferson believed that only a nation of ______ people could remain free.
A. education
B. educate
C. educated
D. educating
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Don’t try doing it yourself. It requires ______ knowledge.
A. special
B. specialized
C. specialty
D. specialize
The letter ______ to me yesterday was from my brother.
A. sent
B. which sent
C. sending
D. sends
Today, many factories make porcelain plates and other objects ______ throughout the world.
A. sells
B. selling
C. to sell
D. sell
He takes a cold shower every morning before ______ to work.
A. going
B. he has gone
C. gone
D. he went