After working for twenty hours without any rest, the doctors were _______.

The college students in China are _______ from smoking on campus because this will do them no good.

Professor Smith is also the _______ of the international program office. If you have any problem when you study here,you may go to him for help.

The doctors _______ the medicines to the people in the flood area.

Many kinds of animals are believed to have _________from the earth

We won ’t allow any foreign country to _______ in our internal affairs.

We can not _______ all the magazines together.

What he said in the meeting _______ everybody present.

Some lazy men would rather _______ than work.

This boy was _______ for what he had done in the class.