is this Tom的回答

Is this Tom?怎么回答 Is this Tom?的肯定回答和否定回答 Mike,is this Tom's pen-cil?的回答 Is this Tom's schoolbag?作肯定回答 This is Tom和He is Tom的区别!急用! 这些怎么回答?Is this your son?Is this boy your son?Is Tom your son Tom:Hello,this is Tom. This is Tom"s ruler 就Tom"s ruler提问回答是_is_ this is tom speaking Is this Tom speaking? this is tom is eraser.变成一般疑问句并作否定回答 问：Mom and Dad,this is Tom.回答：A;Nice to meet you,Tom B:How ar