Lab workers must wear protective ______.

We paid ______ cash in the hope that we can get 15% ______.

There is a(an) ______ that more graduates choose teaching as their permanent careers.

Always read the ______ on the bottle carefully and take the right amount of medicine.

Jade is the highest award in Chinese culture and medals are the most important prize in Olympics，so medals with jade is the perfect ______ to present the Olympics in Beijing.

Sometimes we fail and sometimes we succeed.It is how you react that makes a______ in life.

They considered the plan in all its ______.

To our excitement，two ______ of students ______ a success after three years' hard work.

Being able to speak another language fluently is a great ______ when you're looking for a job.

The small grocer was at the ______ of the people he owed money to.

Flight BA 123 to Vienna is now boarding at_______.

There is a _________ of 1000 dollars for the return

There is reason to believe that most writers have difficulty in ______ the opening paragraphs of their papers.

When and where will it suit your ______ for our next meeting，Mr.Brown?

Have you made out your ______ for a passport?

That she hadn’t kept her ____ on her work resulted in the failure.

On your way to New York William will keep you ______if you don't want to be lonely.

You are really very kind. I’ll never forget the _________ you have done to me.

The tutor（导师）asked his students to leave a wide ________ when typing their essays.

You can't see the___________ now for they are having a meeting at the moment.