The teacher told us that everyone has an important role ________in protecting the earth from________.
| A．to play; to pollute | B．to be played; to be polluted |
| C．to play; being polluted | D．to be played; being polluted |
You won’t take me ______ easily. I know your tricks.
| A．out | B．down | C．in | D．up |
In order to continue to learn by ourselves when we leave school someday, we must ______ learn how to study in the school now.
| A．in all | B．after all | C．above all | D．at all |
Today is Christmas Eve. The department store ______ be very crowded.
| A．has to | B．need | C．should | D．had better |
______ is reported in the newspaper, the big fire was finally put out with very few injuries.
| A．What | B．That | C．As | D．It |
_________ to education , she spent much time communicating with the students and their parents.
| A．Devoted | B．Devoting | C．Having devoted | D．Devote |