Is this your eraser?No,it isn't.I think ( ) 这个该怎么填?失物招领箱里有一串钥匙

Is this your eraser怎么回答 is this your eraser的同义句 前面是Is this your eraser is this your eraser?【同义句】 Is this your eraser?(同义句）Is this___ ____? Is this your eraser?(作否定回答） is,this,your,eraser,（同义句转换） is this your an eraser?是不是对的， Is this your an eraser?哪错了? Is this your eraser?NO,it is not.Ithink{ }1;it his eraser 2;its his eraser 3;it is his eraser改选哪一个 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 your eraser.(真是你的尺子.）《该否定句》 --------- --------- your eraser两天之内答出 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 is not,it is（ ）,填空,me,my,her,hers, Excuse me,is this your eraser,Eric?( )eraser on the desk?Oh,no,it's Linda's.填冠词 is this your eraser? ( ).it's my sharpenis this your eraser? ( ).it's my sharpener.a.no,it isn't.b.yes,it is.