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

—Did you enjoy the party? —Yes. We （ ） well by our hosts.

The first textbook（ ） for teaching English as a foreign language came out in the 16th century.

I have bought _____ useful reference books _____ I don’t know which one to start with.

They go to work every day （ ） Saturday and Sunday. Those days are holidays.

The patient’s progress was very encouraging as he could_____get out of bed without help.

The football player is hoping to（ ）to another team soon．

Herman’s success is （ ） his hard work and his academic ability.

We decided to move to a quiet place, for we couldn’t （ ） the noisy environment here any more.

On no account （ ） to deprive(剥夺) a student of his right to receive education.

Not only _____ a promise, but also he kept it.

The football player is hoping to（ ）to another team soon．