he is youing,he knows a lot 第一个he前面填什么

he is youing,he knows a lot 第一个he前面填什么 _____as he is,he knows a lot. ______he is ,he knows a lot. 改错：Child as he is,but he knows a lot. young he is ,he knows a lot about the world Young man as he is,he knows a lot. he knows a lot () he is only eight years old ___as he is,he knows a lot about the adult. Tom is a boy____ten.But he knows a lot of things.填介词 句型转换 although he is a child,he knows a lot.child（）he is,he k ____,he knows a lot of things. He knows a lot who speaks little.