You go to bed if you feel tired.
举一反三
- You look really (tired/tiring). Why don't you go to bed?
- You look so tired tonight. It is time you _____. A: go to sleep B: went to sleep C: go to bed D: went to bed
- If you _______(feel) tired, you will have to have a rest.
- If you _____ meals, you don’t get enough calories, and then you feel tired.
- Please stop ______ a rest if you feel tired.