单词拼写；根据句意，写出括号内所给单词的适当形式。
1. Richard usually remembered to send a copy of his e-mail to _____________ (he).
2. In late autumn almost all the _____________ (leaf) are yellow.
3. The _____________ (angry) the director is, the more scared the workers become.
4. He believed his lucky number was 20, so he decided to live on the _____________ (twenty) floor.
5. Timmy has spelt the name _____________ (correct). That’s why his friend can’t find him easily.