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He’s very good _________ telling jokes.
A. on
B. by
C. for
D. at

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Quantifies and Modals of Deduction › ViewI need three beers to cope _____ my annoying co-worker!
A. with
B. about
C. to
D. for
Grammar › View
If I…………………… a year older, I could join the army.
A. am
B. were
C. had been
D. would be