David is such a good boy ----all the teachers like为什么要用as?请解释说明.

David is such a good boy ( ) all the teachers like. 谁会?急啊!拜托各位大神 David is such a good boy . all the teacher like that as who whom David is such a good boy ----all the teachers like为什么要用as?请解释说明. 英语单选高中——定语从句1.David is such a good boy ____all the teachers like.为什么选as?而David is such a good boy ____all the teachers like him. 却选that?还有,It was not such a good dinner ____she had promised us.选as2.Is this David is such a good boy that ___ all the teachers like him A.that B.who C.as D.whom 4.David is such a good boy _______ all the teachers like.A.that B.whoC.as D.whom为什么不选B, David is such a good boy __ all the teachers like.填that 还是as 我觉得都对哎..填that,可以理解成such..that，如此...以致...填as,可以理解成表原因。最好讲下理由。 1David is such a good boy _____all the teachers like.Athat Bsuch2There is a ________of a thousand pounds offered for the capture of the murderer.A reward B prize C price D charge第一道B选项改为“as. David is such a good boy _________ all the teachers like.　　A.that B.who C.as D.whom但是为什么不选B和D who和whom也可以做宾语的啊? David is such a good boy _______ all the teachers like him.A.that B.who C.as D.whom It was not这两道题都是考定语从句的.但是搞不懂具体的区别. It is a p___that Imissed such a good filmIt is a p___that I missed such a good film David is a _____musician.He can play the piano very_____.A.good;good B.well；well C.good；well David is good at computers.He is a computer p_____in the company She is a such good-looking girl. 这句话对吗? He is such a good teacher as we all respect. If there is such a person really good to me? He is ( ) teacher that all of us like him.A.such a good B.a such good C.a so good D.so good a He is ___teacher that all of us like him.A.a such good B.such good a C.a so good D.so good a