1. The ladies looked at themselves in the mirror.

2. Kelly had a very good time in Paris. She enjoy herself.

3. Have a good trip and take care of yourselves.

4. I myself cooked it.

재귀대명사를 생략해도 되는 문장 좀 알려줄 수 있니ㅠㅠ 잘 모르겠어..;;;