1. Sorry I'm late. 2. I overslept. (= I slept longer than I should have) 3. My alarm didn't go off. 4. I had to wait ages for a bus. (ages = a very long time) 5. The bus was late. 6. The traffic was terrible. 7. I couldn't find a parking spot. 8. I got lost coming here. 9. I was tied up in a meeting. (tied up = occupied, impossible to escape) 10. I just lost track of time. (= I didn't notice what time it was)
When exams are looming its easy to get caught up in the exam preparation side of things and completely forget about planning your time in the exam.
Thats right your teen needs to sort out an in exam strategy too.
Not doing so can be the difference between scraping a pass and absolutely nailing it.