Read the following article and answer the question. Article: Health is important for us.But how can we keep healthy?First,you should eat vegetables and fruit four or five times a week.Then you should eat some tofu products every day because they are good for people,both the young and the old.Milk is also necessary, _ for women.So you should have milk twice a day.It can help you to be healthy.Next,doing morning exercises is better.You can do morning exercises or evening exercises.After dinner,you should take a walk. Question: You should eat _ four or five times a week. Answer:

-- fish and fruit;
-- vegetables and mutton;
-- tofu;
-- vegetables and fruit;
vegetables and fruit