His __________ hasn't changed in twenty years.()
A. figure
B. addition
C. figures
D. interested
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The professor took an __________ in his student's work.()
A. speaker
B. addition
C. interest
D. native
Only eighty __________ of the tickets were sold.()
A. actor
B. addition
C. percent
D. native
The __________ of cheese made the sandwich taste much better.()
A. addition
B. native
C. figure
D. context
People have different __________ of ability at math.()
A. addition
B. speaker
C. figure
D. levels