<span>Dos:
</span><span><span>Feed animals in cold seasons.
Help animals to sirvive.
Clean rivers and lakes.
Be careful with farm waste.
Use fewer cars.
Make Clean Air laws.
Take lorries out of city or town centres.
Pay big money if you're a polluter.
Make laws to control pollution.
</span>
Don'ts:
Turn the rivers into dumps.
Build factories on river banks.
Pour toxic waste into the rivers and lakes.
Dump old cars in forests.
Burn toxic waste.
Use rivers for washing cars.</span>
3. are you doing. 4. 're looking. 5. go shopping. 6. aren't playing. 7. get up. 8. wakes. 9. goes to work. 10. go to sleep. 11. have breakfast. 12. get the bus. 13. start. 14. finishes. 15. do my homework. 16. get home. 17. relax. 18. watch TV. 19. go to bed.
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1. 'm watching. 2. 's buying.
1) Was studying
2)him
3) had disappointed or was disappointed
4) experimenting
5)had invented
6)larger
7) first
Give them to me
it to him
give them to her
give them to me
give it to them
give them to us