17 7. The weather get better next week. 18 8. The teachers have) a monthly meeting on every Thursday 19 9. Thu (practice) her music lesson at 8 o clock last night. 10. The local authorities (need) help from their people to keep the parks and the beach clean. 2 11. People (use) solar energy instead of electricity some day. 12. She (receive) a letter from her friend yesterday. 13. The students (work) on a project by this time. 14. She (teach) us English since 1999. -> 15. People (protect) the environment by getting rid of using harmful stuff. -> 16. Elephants (kill) for ivory.

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