Hurry up, ______ you'll be late for school.
A. but B. and C. or
—Does she like singing English songs?
—Yes. She _______ to sing English songs in her room.
A．often doesB．is often heardC．often hears
I like ______. They are healthy food.
A. tomato B. fish C. tomatoes
The man makes a living _______ teaching.
A．withoutB．withC．by
He has written many books, but _______ of them are good.
A．fewB．manyC．any
There is _____ boat in ________river.
A. a; the B. the; a C. a; a
