you should finish your homewoek _______ you go out to play.用 before 还是用 after?为什么? 参考答案为after,百思不得其解!答案错误?

分类: 作业答案 • 2022-06-24 14:18:20

问题描述：

you should finish your homewoek _______ you go out to play.
用 before 还是用 after?
为什么? 参考答案为after,百思不得其解!答案错误?

答

before