Is this an eraser 怎么回答?（选择题）A .Yes,it’s B No,it isn’t C It is d It’s an apple 要速度明天用的

This is an eraser 对an eraser 提问 This it is an eraser.这个句子该用在哪,怎么用?为什么不用This ls an eraser. 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 an eraser?yes,it is are----- ------.yes------ -------.横线怎么填? 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 eraser怎么回答 this is an eraser in English变特殊疑问句 is this your an eraser?是不是对的， Is this your an eraser?哪错了? It is an eraser. It is an eraser? _ has an eraser .This is her eraser .横线上天什么 这句话的翻译 an eraser 怎么读 This is an eraser That is aThis is an eraserThat is a plate变复数句