People have different __________ of ability at math.()
A. addition
B. speaker
C. figure
D. levels
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He was lonely for his __________ land.()
A. native
B. percent
C. slang
D. interest
I __________ the cost of the party by adding up how much I spent on food and drinks.()
A. percent
B. figured
C. slang
D. actor
He __________ chess quickly.()
A. coursework
B. rewind
C. overseas
D. mastered
Most library catalogs are now __________.()
A. whenever
B. master
C. vocabulary
D. online