用括号内所给单词的适当形式填空。
6. Children shouldn't go out alone at night. It is __________(danger).
7. Here is the __________(invite) to Alan's wedding party. Let's go together.
8. The kids all looked forward to ___ (take) part in the summer camp again.
9. ________(final), I beat her in the tennis match. I won the first place.
10. Can Lisa ________(help) us out with the party preparation on Friday?