Rewrite the following sentences by using parallel structures.
1. He needed to re-heat the dish, to add seasoning, or he wanted to start all over.
2. The teacher wondered who the visitor was and his genuine intentions.
3. For breakfast, eating fresh fruits is better than processed food.
4. Singing in front of my family is one thing, but to perform in an auditorium is something else.
5. My teen-age uncle enjoys going to different countries, to explore new tourist spots, and documenting every step of his travels.
6. My favorite hobbies are playing the guitar, listening to sweet music, and to watch musical performances.
7. Yesterday, our adviser gave us tips on how to behave when we are at a dance party and to say in opening a conversation.
8. The whole class clapped, cheered, and will probably congratulate the winning basketball team.