答案：1. -What time is it? -It's 7:00. It's time to get up.
2. -What time is it? -It's 7:10. It's time to wash face.
3. -What time is it? -It's 7:20. It's time for breakfast.
4. -What time is it? -It's 8:30. It's time for class.
5. -What time is it? -It's 11:30. It's time for lunch.
6. -What time is it? -It's 16:00. It's time to play volleyball.
7. -What time is it? -It's 18:00. It's time for dinner.
8. -What time is it? -It's 21:00. It's time to go to bed.