3. 、。
Since I stayed up late, I'm very sleepy.
4. 。
You must not stay up late.
5. 。
I am accustomed to staying up late.
6. 。
Staying up late nights is nothing to me.
7. 。
You must not stay up late, or you will hurt your health.
8. 、、。
It'll do harm to you to sit up late every night.
9. 。
I'm not used to staying up late at night.
10. 。
Mother always tells me not to sit up late at night.
11. 。
She is in the habit of keeping late hours.
12. 。。
She looks sleepy. She may have stayed up late last night.
13. 。
She was in the habit of sitting up late at night.
14. 。
She sometimes stays up late at night.
15. 。
They sat up talking late at night.
16. 。
He is in the habit of sitting up till late at night.
17. 。
He fell into the habit of keeping late hours.
18. 。
He is used to sitting up late at night.
19. 。
He was accustomed to sitting up late.
20. 。
He is accustomed to sitting up late.