Sometimes it is very difficult to _______ some of the English words. Even the native speaker can not help.

Carelessness made him fall in his job _______.

Some states in the United States _______ people tocarry guns.

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

Some lazy men would rather _______ than work.

What he said in the meeting _______ everybody present.

We can not _______ all the magazines together.

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