1. Dave / be / sad / because / he / not / pass history exam. 2. It / often / take / me / 15 minutes / get / school / foot. 3. My brother / can / play / chess / when / he / 6 years old. 4. The city/ suffer/ both/ air pollution/ water pollution. 5. My sister/ not only/ intelligent/ hardworking. 6. Friend/ advise/ me/ not/ go/ train/ next time. 7. I/ forget/ thank/ them/ help/ me. 8. Smoking/ not allow/ public places/ Australia.

8. Oh, that noise (not matter) …… It always (make) ……… noise like that. 9. I haven’t seen David for a long time. The last time I (see) … him he (try) to find a job in Miami. 10. I (visit) …… my grandmother this weekend. She (be) …………..…………… ill. 10. How you (travel) … to work? - I haven’t got a car at the moment, so I (go) …… to work on the bus this week. Usually, I (drive) ………… to work. 11. Look at the leaves on the tree. They're all brown. They (fall off) ……… soon. 12. I don't like them because they always (complain) …………..…………… 13. Last night, I (not spend) ……… my free time (listen) …… to music as usual. I (play) … some computer games.

7. This car (make) ……… very strange noise. You (think)..…………… it is all right?