1. A proverb says that _____ new broom sweeps clean, but _____old one knows all the corners.
A. a; the B. a; an C. the; an D. the; a
2. Hoping to be stronger to compete with the world’s best, Marry has put on about 4 kg by eating twice as much as his _______ amount.
A. common B. ordinary C. formal D. usual
