I found a boy _____at the back of the classroom为什么只能用seated ,而不用siting?

I found he is a smart boy.I found him a smart boy.哪个对? I found a small boy cryin the corner. I FOUND A SMALL BOY ____(CRY) IN THE CONTER 怎么改写:I found a small boy crying in thecorner )I found a set my heart racing boy I found a little boy crying in the corner可以改成I found .was crying On day ,a boy found 我发现他是一个聪明的男孩I found _ a clever boy=I found _ _ a clever boy=I found _ _ _ a clever boyHe asked me _ _ _ _(不要那样做) i found a boy (crying )in the corner.对括号内部分提问 选择：I found a little boy _____ in the corner.to crycriescriedcrying原因? 改病句I found a little boy cries in the corner I found （a little boy） cying in the corner（对打括号的提问） I found a small boy crying in the orner啥意思 I found him sitting in his chair,completely _____a magazine.A.absorbing B.being absorbed in C.absorbed in D.absorbing in I found a way 用an,is,are填空,hen 1.where_____they?2._____this a ball?3.My books_____ on the bed.4.It _____ behind the sofa.5.I _____a boy. When i came in, i found a boy hide behind the door.改错?When i came in, i found a boy hide behind the door.改错答案为：hide改为hidden 可以把hide改成hiding吗? I found the book _____A、bore B、bores C、bored D、boring