_____(Why not/Why)go and take a walk? 选哪一个才对

问题描述:

_____(Why not/Why)go and take a walk? 选哪一个才对

why not
why not go and take a walk?为什么不去走一走呢?
why not通常放句首表示建议或者认可.
如:
---let's go out for a walk?我们出去走走如何?
---why not.为什么不呢?