1. Television is one of the cheapest form of (entertain) ........................................
2. In (add) .................... to that, my bike tires was flat
3. Our art teacher gives a lot of (free) ........... to paint what we want to
4. Isn't (garden) ................. a bit of a boring hobby?
5. Lots of (nature) ......... things are poisonous to humans.
6. I never had a serious (medicine) ............... problem, thank goodness!