补全下面的短文。

    I had a good time last weekend．On Saturday morning，I____hiking with my mother．We climbed the mountain and____many pictures．For lunch，we____fresh fish in a restaurant．On Sunday morning，I played____with my cousin Sam．In the afternoon, I went____on the lake. It was fun!

It's important for us to be healthy. But how can we keep healthy? First,you should eat fruit and vegetables three or four times a week. Then eat some tofu every day because it's good for people, both the young and the old. Milk is also necessary(必要的），especially for women. So you should have milk twice a day. It can help you to be strong. Next, doing more exercise is better. You can do morning exercises or evening exercises. After supper you should take a walk.