2. Peter's hobby is reading books
3. They started learning Japanese five years ago
4. I find carving wood unusal 
5. Because it rained a lot, we stayed home
6. Because she was sick, she was taken to the hospital
7. Quan has collected coins for three years
8. My friend is fond of K-pop music
9. Tom is interested in reality show but he doesn't like game shows
10. She has worked for this volunteer organitazion since 2010
11. The teacher began teaching these student three years ago