This is an eraser 对an eraser 提问

This is an eraser 对an eraser 提问 This is eraser,eraser is inThis is eraser,eraser is in the pencil box.A.a;The B.an;The C.an;An D.the;The(对了,) is this your an eraser?是不是对的， This is ________ eraser.Is it ________ eraser?A.a,she B.an,her C.an,she D.×,her This is an eraser That is aThis is an eraserThat is a plate变复数句 this is an eraser 改复数 this is an eraser 变复数.快 This is an eraser.(改为否定句) This is an eraser.(改为否定句) This is her an eraser.与This is her eraser.This is her an eraser.与This is her eraser.为什么不用“an”? Is this ( ) eraser?A her an B an C a D /说明理由 This is a pen and that’s an eraser.可不可以写成This is a pen and that is an eraser.呢? This is my book.改为一般疑问句：It is Lucy is jacket.改为否定句：Tha is a white eraser对划线部分提问：It is an eraser.用two改写句子：又分给…… Whose ____ eraser is this?(a 或an或the或／）应选哪个 an eraser 还是 a eraser 英语句型转换 （请附加理由,谢谢!）This is an eraser in the box? 对an eraser 提问—— —— in the box? This is a boy.改为一般疑问句That is my penci.改为一般疑问句.My name is Linda.改为否定句.It‘s an eraser in English.对划线部分提问 划线部分是an eraser.not,English,this,dictionary,an,is(.)连词成句 this is an eraser in English变特殊疑问句