Walk is good for our health.还是Walking?

Walk is good for our health.还是Walking? (Going for a walk)after supper is good for our health.这句子等于(Take a walk) after supper is good for our health We need to walk after meals because it is good for our health(改为同义句)It is [] for [] to walk after meals because it is good for our health To walk after supper is good for our health这句话对吗?为什么要用to walk?直接用walk可以吗? climbing m____ is good for our health. Exercise is good for our bodies是什么意思 kfc is good for our health. L_ is good for our health. I think is good for our english talking e is good for our health Swimming is good for our healthy改错 辩论赛：is Advertisement good for our life it is good for us _______(walk) after meals He thinks__(walk)is good for his health. Old people think______ (walk)is good for them 【 】is good for your health A ,Walk B,walking C walk D【 】is good for your health A ,Walk B,walking C walk D towalk%D%A Doing eye exercise is good for our eyes Doing eye exercise is good for our eyes Take a walk after supper is good for our health.(晚饭散步对我们身体有益) 这样可以吗这个句子语法有误吗