Arrange the words to make complete sentences:
1. difficult/as/ Playing/is/ piano/ guitar/ playing/ as/_
2. many/ went/to/ volunteer/,/ Last year/ the/ and/ flooded area/ free food/people/ gave to/./
3. rebuild/ helped/ houses/ They/ trees/ also/ plant/ and/ people/./
4. horse/ run/ a/ Can/ fast/ as/ a/ as/ train/?
5. try/as/can/ you/ hard/ as/ should/ You/_
6. people/ donated/ generous/ for/ people/ Many/ poor/money/./
7. I/ joined/ a student/,/ was/ When/ charitable work/ I/ often/ in/./
8. my friends/ used to/ remoted areas/ travel/help/to/ to/ people there/ I/with/./
spending time/./