What should you do when you're tired?(急!)

问题描述:

What should you do when you're tired?(急!)
What should you do when you're tired?和What should you do when it's cold ang you have to go outside?(急!)

第1句:
当你感觉累的时候应该做什么?
第2句:
当外面很冷而你必须出去的时候你应该做什么?