I really don’t know ______ about it.
A. what to do B. how to do C. to do what D. how can I do
—What is a writing brush, do you know?
—It’s used ______ writing and drawing.
A. with B. to C. for D. by
We could see nothing because the lights suddenly ______.
A. went on B. went over C. went down D. went out
The mountain was ______ steep ______ few people in our city reached the top.
A. so; as B. so; that C. as; as D. too; to
The war was over about three months ago, ______ the American soldiers in Iraq are still having a lot of trouble to deal with.
A. or B. and C. but D. so
—Which sweater do you prefer, the yellow one or the pink one?
—______. I like a light blue one.
A. Either B. Both C. Any D. Neither
