Question

III.从方框中选出合适的短语，并用其适当形式填空

pay for,turn off,be harmful to,cut off,so far,take part in

1. Don’t forget to the lights when you leave the room.

2. We have learned twelve units .

3. How much did you your books yesterday?

4. Have you ever an environ mental project?

5. He had his finger in an acci dent at work.

6. Junk food human's health.

Answer 1

III. 1. turn off   2. so far   3. pay for

4. taken part in   5. cut off   6. is harmful to