is that his eraser咋回答

is that his eraser咋回答 That is not his eraser That is his eraser改为一般疑问句 Is that her eraser?作肯定回答 Is that an eraser?的回答 Is that my eraser?(作肯定回答） That is my eraser?回答 [ ][ ]her[ ] [ ]里填单词 That is my eraser?回答[一般疑问句] 我感激不尽 Is that youe eraser?作否定句回答 That is ( ) eraser. That is my eraser. That eraser over there is my eraser