Jawaban:

1. Yesterday, I went to the gym for an hour.
2. I will see you later tonight for dinner.
3. She wakes up early every morning to exercise.
4. They arrived at the party just in time to catch the surprise performance.
5. I always study in the library during my lunch break.
6. He usually goes to bed at midnight but tonight he's staying up late to finish his project.
7. They have been waiting for the bus for thirty minutes.
8. She finished her work early this morning and left for the day.
9. I'll be free this weekend, so I plan to visit my family.
10. Next week, I have a doctor's appointment in the morning.