He is very careful,as we all know.As is well-known,Taiwan belongs to China.看是什么从句要看as修饰的中心词吧?这里是定语从句?Young as he is,he knows much.Tired as they were,they walked on.我怎么知道它是让步状语从句?

Mr baker is a careful driver;he drivers very careful 改错 He is very careful when he is-----(on,at)work He is very clever.H_____,he isn't careful He is a very careful person.改为How开头的感叹句 He is very careful,so don worry about his S_______ He is a ____(careful)boy. 同义句he is very careful. he cando it well he is careful____ _____do it well He is ()of the two A.careful B.more careful C.the more careful D.the most careful My father is a ________ worker.He alaways works________A Careful; Carefully B carefully; Carefully C carefully;Careful D Careful;Careful He is quite serious and he doesn't s__ a lot.Heis very careful w__ his things.His room is always very clean a____ tidy呵呵，那这两句呢Danny，h__,is very and impatient.He h__ doing his homework. she is a carefully girl .she studies very careful Lily is a careful girl.She does everthing very c______. Although he has become rich,he is still very ___ of his money.具体如下,说明原因Although he has become rich,he is still very ___ of his money.A.economic B.thrifty C.frugal D.careful She is ___careful as I,but I'm____than you . A.as;much careful B.so;more careful C.as;much more careful D.so;very careful He is a very businessman Betty is （ ）careful as I ,but I am ( )than you .Betty is （ ）careful as I ,but I am ( )than you .A.as .much careful B.so .more careful C.as .much more careful D.so ,very careful 他工作一直很认真he is very careful in his work ___ ___ ___ .The fire is very dangerous .It is very important ________ with fireThe fire is very dangerous .It is very important ________ with fire.A.to careful B for careful C to be careful D be carefu