Although he is a child,he knows a lot.名词作表词,名词前不能加冠词?

Although he is a child,he knows a lot.名词作表词,名词前不能加冠词? 请问----- small child as he is,he knows a lot.句首是否要加冠词? 句型转换 although he is a child,he knows a lot.child（）he is,he k He knows a lot ___ he is still a child A so B although C but 改错：Child as he is,but he knows a lot. _______though he is ,he knows a lot A.Child B.The child C.A Although/thangh he is young but he knows a lot这个病句怎么改? 这句话如何连词成句?a child,he,a lot,but,is,knows,he _____as he is,he knows a lot. child as he is ,he knows a lot of things 是几级英语? child as he is ,he knows quite a lot about the history of ch Young although the boy is he knows a lot.这个病句怎么改?