_________ to education , she spent much time communicating with the students and their parents.

--Who's the man shaking hands with our headmaster?
--A scientist ____________ to give us a talk on the history of the Party.

Ford found a way to mass produce the motor car cheaply, ________ it possible for many more people to own one.

The new-opened park is such a beautiful place that it is well worth_______.

_____ no spare parts, the equipment could not be repaired at once.

–Should I keep what we talked about just now secret from Sofia?
--She is our close friend, and deserves ____ the truth.

_______ advantages and disadvantages, Mr. Smith decided to leave the company and go to the west to try his fortune.

Five books on the shelf are found ______.

They stood _____ at each other as if they were enemies.

He risked _____ his job to see me off.