Ответ:
3:
1. I will write it myself.
2. He fall down and hurt.
3. She is always talking about herself.
4. Jane dressed and went down.
5. They did everything themselves.
4:
1. off
2. back
3. out
4. off
5:
1. unusual
2. polluting
3. dishonest
4. beautiful
5. enjoyment