I had trouble finding out the answer _____ the question.

People won’t pay attention to you when they still have a lot of ideas of their own crying _______expression

The Prime Minister refused to comment on the rumor that he had planned to ______.

This sweater is really cheap.—The ________ , the better. I’m short of money, you know.

I didn’t hear you come in just now.— That’s good. We tried ____any noise, for you were sleeping.