Помогите cоставить 7 предложений употребляя следующие словосочетания:

1. 20-minute break

2. 4-star hotel

3. 15-year pupils

4. 50-year history

5. 5 day trip

6. 10-minute presentation

7. 4-level course

Today i have only 20 minute break. Last year i stayed in the 4-star hotel. 15-years pupils were arguing his teacher. The book has a 50-year history. We were a 5 day trip. Ann reads a 10-minute presentation. The children have successfully completed a 4-level course.