Hi, English question, please help.?

In the same sentence:
The music teacher wanted to expose her students to as much types of music as possible, seeing as she had a passion for teaching.

Student:
1. The headmaster explained to the staff that the students were becoming more lazy by the day and needed to be more disciplined in order to have a higher chance of an international future.
2. The students in this school are required to wear a uniform.
3. The students ran out of the classroom as soon as they heard the bell, they couldn't believe summer was already here.

Expose:
1. The girl wore long sleeves so she wouldn't expose the rash she had on her arms.
2. She wanted to be exposed to as much culture as she possibly could.
3. The parents didn't want to expose the presents to the children so they wrapped their presents.

The lazy student exposed himself by asking others to do his/her homework/