1)
1. monster
2 . ghost
3. vampire
4. candy
5. ?
6. pumpkin
7. witch
8. spider
9. moon
10. Broom
11. cat
12. scary
2)on, in, of, on, up, up, on, of, in, At, from, of , in, inside, on , in, on, ?, by, in, in.
3) pen. owl. leap. lean. lap. wall. yellow. new. now. when. hey. hay. low. law. help.