__he is very young,___he knows a lot about how to be healthy

__he is very young,___he knows a lot about how to be healthy young he is ,he knows a lot about the world Mary is very young ,but she knows a lot michael is still young.H__,he knows a lot about it Little Tom knows a lot of things t_____ he is very young. She knows a lot about Chinese food very much./翻译 Young man as he is,he knows a lot. ___as he is,he knows a lot about the adult. Mary is girl,but she knows a lot about science. 英语翻译How inportant is keeping healthy to you?A group of young How to be healthy? May konws a lot ____she is very young A.althou