Here are the correct parts of speech for each blank:

1. The party among the club members was **enjoyable**. We had a great time. (enjoy)
2. Tests and exams at school are always **stressful** among teenagers. (stress)
3. It is said that parents often put too much **pressure** on their children. (press)
4. The noise outside made it difficult for us to stay **focused** during lessons. (focus)
5. All the teachers have a high **expectation** of Jennifer, the best student in my class. (expect)