This is ___ useful dictionary .选择：A.an B.a C.the D./

This is ___ useful dictionary .选择：A.an B.a C.the D./ 英语 单项选择___ is very useful for us students ____ English well___ is very useful for us students ____ English wellA.This ; to learn B.That ; to learnC.It ; to learn D.It ; learns This is () useful story book.. not read this magazine?This is ___ some useful information is available求详细解Why not read this magazine?This is ___ some useful information is available A.what B.how C.whereD.that This is ______ useful book. A. a B. an C. the D/This is ______ useful book.A. a B. an C. the D/要解释 This is an empty bottle, but it is ___ useful one. 为什么填a 不填the This is ___ ___ ___ this is ___to students of English A.a useful advice B.useful advice C.one of useful advices D.a pithis is ___to students of EnglishA.a useful advice B.useful adviceC.one of useful advices D.a piece of useful advice答案上说D,我想问问为什么 A horse is ( ) useful animal.A.an B.a C.the D.this This is an useful book.You'd better read it carefully.修改病句 This is a ( ) useful advice A a B an C the D 应选哪一个急死了 This is useful work改为否定句 This is useful work改为一般疑问句 This is _____ that all of us believe it’s very important.(2005年广州) A.such useful informationB.so useful an information C.so useful information D.such a useful information 给点建议 You should try your best to remember____from this class A.nothing useful B.useful somethingC.useful everything D.everything useful This is ___ grandmother To learn English well is very useful.同义句___ ___ very useful ___ learn English well. Ms Lin,___ my mother.Mum,___Ms Lin A this is,she is B she is,this is C this is,this is D this is,th