宝马跑车价格表:He is causing a lot of trouble!改成what引导的感叹句怎么变化？

He is causing a lot of trouble!怎样改为感叹句 He is causing a lot of trouble!改成what引导的感叹句怎么变化？ ______he is ,he knows a lot. Young man as he is,he knows a lot. 请问----- small child as he is, he knows a lot. 句首是否要加冠词？ __ quiet boy as he is, he speaks a lot after class.到底要不要冠词a? is he a peasant? My father is a farmer.he has lot to do in the fields every day.什么意思? he is a blue child He is a keeper!是什么意思？