Giúp mk nốt câu này thoy nhé ạ! Thank youuu!

1. Last year, we started a community garden project.
2. So far, we have asked people to donate books and clothes for the poor children.
3. Because the lake was fulled of rubbish, so they decided to clean it up last Sunday.
4. Green Summer organized for the first time in 1997.
5. Go Green is a non-profit organisation that protects the environment.
6. When did you start to work for this charitable organization?

Học tốt nha! ^^