It's her eraser 改为否定句 It‘s isn’t eraser 为什么用isn‘t 而不用not

it is her eraser改为否定句 It's her eraser 改为否定句 It‘s isn’t eraser 为什么用isn‘t 而不用not That is her eraser改为否定句 It's her ruler(改为一般疑问句) That's my eraser(改为否定句) 英汉互译：在失物招领箱里.快、5分钟内 It is an eraser .改为否定句 It's a computer改为一般疑问句,并作否定回答还有，把It’s an eraser.改为否定句 Thant' s my eraser改为否定句 Is your last name Green?(改为否定句） It is her red eraser(改为同义句） It is her eraser 怎么改成否定句 It is her eraser 怎么改成否定句 It's not_____eraser.It's her eraser空里填什么 That s my eraser改为否定句是什么 It is her red eraser.(改为同义句) Is this your eraser?---No,it isn't.I think ___.A.it her eraser B.its her eraser C.it's her eraser 1：The baseball is on the chair.对on the chair提问.2：Her first name's Kenni.对Kenni提问.3:His last name is Miller.改为同义句.4：It is a blue pen.改为否定句.5：Her name is Gina.改为一般疑问句.6：That is her eraser.改为 It's my pencil case 改为否定句This is her ruler 改为一般疑问句 her eraser is blue.改为一般疑问句,并做肯定和否定回答. It‘s an eraser.