The new building         in our school is for us students. In spite of the noise most of the day, we still feel very happy.

Jack, who pretended       , heard, however, every word that was said.

I will go to Beijing on business tomorrow, do you have anything ____ to your son studying in Peking University?

The missing boys were last seen _____ near the river.

So many problems ________， he is having a difficult time.