Is this ( ) eraser?A her an B an C a D /说明理由

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,) 是This eraser is mine还是This eraser is my? I guess this is eraser. this is eraser的意思 Is this your eraser?---No,it isn't.I think ___.A.it her eraser B.its her eraser C.it's her eraser This is ( )eraser. ( )eraser is in the pencil case . This is ________ eraser.Is it ________ eraser?A.a,she B.an,her C.an,she D.×,her This is an eraser 对an eraser 提问 This is an eraser That is aThis is an eraserThat is a plate变复数句 This is my eraser. Is that_____(you) 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 a ID card and that is a eraser这个英文句子有没有错 This is my eraser 改为一般疑问句. this is an eraser 改复数 Is this your eraser怎么回答 is this your eraser的同义句 this is an eraser 变复数.快 this is （ ）eraser.（ ）mine