Answer:
1. Usted, señor, come en el restaurante?
2. Yo necesito el cuchillo para cortar el pollo
3. Tú lees el menú.
4. Ella habla con la mesera.
Explanation:
usted is mostly used when talking to someone older. Yo is for yourself / when you need something or are talking about yourself. ella is about her or talking about a girl around ur age. tu is a non formal word so it is used when talking to a friend.
Answer: Usted, yo, tu, ella. In that order. Did the test =)
Explanation: