用括号内所给词的适当形式填空
1. I think teenagers should be _____ (allow) to go out with their friends every night.
2. I don't think twelve-year-olcl studcnts should get their ears _____ (pierce).
3. We need time_____(do) our homework.
4. Tom watched TV instead of_____ (listen) to the radio.
5. The other day I _____ (meet) Lucy in the library.
6. We have nothing against _____ (run).
7. If you work hard, you will _____(success).
8. We are _____ (fourteen-year-old).