( )21.It’s said that _______ 8-year-old boy saw _______ UFO yesterday.
A. a, an B. an, a C. the, a D. the, an
( )22.— What about a drink of tea?
—Hurry up. There is time for a drink.
A. few B. little C. a few D. a little
( )23. It’s cold outside. The old man is sleeping _____ his window ______ .
A. with, open B. with, opened C. with, close D. with, closed
( )24. —Look! Can you see a boy ______ a kite over there?
—Yes, let’s go and see.
A. flys B. flying C. to fly D. fly
