1.my dad has a big bookshelf because he loves (read) ______ old books
2.Trung often ____________ (not watch) TV when he has meals 
3.when tom was a teenager , his hobby ____________ (be) horse riding
4.The sun always __________________ (rise) in the east
5._________________ Hoa _____________ (volunteer) in the local hospital last summer?
6.lan likes (watch) _______________ TV after school.
7.they often ( recycle) ______________ cans , bottles and paper
8. when mai was a teenager , her hobby _____________ (be) planting trees
9. Hung sometimes (not clean) ____________________________ his classroom