6.　　　 The government of our city is appealing everyone in the city to save electricity.

5.　　　 I am determined to learn English better.

4.　　　 He recommended Tom for the job of teaching in that school.

3.　　　 We advertised through the air for the products of our factory.

2.　　　 We used to work in the same office, but I left three years ago.

1.　　　 Everyone in the school shares the dinning hall.

1. advertisement 2. advertising3. information4. attracting5. attention6. story7. continued

8. product 9. remember 10. dangers11. translation12.　 photographs13. appeared 14. company

15. sales

1. C　 2. C　 3. C 4. B 5. D　 6. D　 7. B 8.C　 9. C 10. B