1. Shooting, as __________ means of survival originally, developed into _____ sport only in the late 19th century.
A. a; a B. the; the C. a; the D. the; a
2. —Mum, I can’t see any point in studying hard.
—Come on, dear. Years of hard study will surely________ in your future career.
A. make sure B. bring back C. pay off D. pay back
