Sam is a clever boy,but,on the other hand,he makes some mistakes.为什么不能用however代换on the other hand?

charlie is a clever boy but he does not work hard.sam也是,怎么说 how clever a boy he is!how clever he is! What a clever boy he is! Sam is a clever boy,but,on the other hand,he makes some mistakes.为什么不能用however代换on the other hand? I think he is a clever boy.(改为同义句)I think him ()()a clever boy sam is a small boy,改为感叹句 ____ ____ ____ boy sam is 急 I think he is a clever boy.(改为同义句)I____ ____ he ____a clever boy. 英语：变感叹句Tom was a clever boy (变感叹句)_______ _______ clever boy Tom is! a cleVer boy I ______ (think) he is a clever boy ,is he Tom is a very clever boy.(改为感叹句） How clever a boy he is!这句话对么 he is a very clever boy写两句感叹句 How clever a boy he is!这句话对吗? (how/what a )clever the boy is!填词呦酱 The teachers found Jack is a clever boy. 单词a boy clever what is he 组成英语句子 期末考~急his mother found him a clever boy.为什么不是is a clever.