We are looking （ ） to hearing from you soon.

When the little girl got back her answer sheet, she could not help （ ）.

My sister is used to （ ） with all the window open.

Young adults（ ）older people are more likely to prefer pop songs.

The traditional approach（ ）with complex problems is to break them down into smaller, more easily managed problems.

He drove to the airport to（ ）Mr. Dixon who came to see him from Orlando.

It' s already 5 o' clock now. Don' t you think it' s about time（ ）?

It is kind（ ）you to do me a favor at this moment.

 A thief broke（ ）when I was leaving for my office.

Staying in a four-star hotel for a night costs（ ）renting a house in the suburb for a month. 

The research laboratory is going to（ ）the new type of computer to use.

He is much more（ ）a German.

It is reported that people in our city read five books a month（ ）. 

（ ）, he is not a very bright pupil.

The old woman had a letter from her son in the army（ ）to her.

The university （ ） four colleges and five academies.

（ ） his expression, he greatly moved.

 “Jack is no more careful than Tom” means（ ）.

We couldn’t eat at a restaurant because（ ）of us had（ ）money on us.

He is （ ）nervous （ ） he moved about the room all the time.