Kim went to visit the teachers in the primary school ______ he worked three years ago.

Many students thought about the third question for quite a while and had great difficulty answering it. Obviously， it was _____ all.

Without your instruction, I （ ） such great progress.

No one should blind himself （ ） the well-known fact.

_____, the professor is still trying to learn a new language.

All the traveling _____ are to be paid by the company if you travel on business.

It is important that the boy （ ） an adult to take care of him.

The historical church was （ ） damaged in a fire attack on Dec.21, 2007.

The first question we will discuss is _____ we should go there so early tomorrow.

Many young people find it harder to appreciate_____music than pop music.

We’re talking about the piano and the pianist （ ） were in the concert we attended last night.

Bob never dreams of （ ） for him to be promoted to the managing position in the company.