Is that () pencil casehim her she's he's

Is that your pencil是什么意思 That is your pencil,__ Is that a pencil s___? is that your pencil?的否定回答 Is that your pencil?复数形式 is that pencil case 怎么改? that is his pencil改为复数句 that is a pencil.改为复数句 Is that your pencil-box?后一句是什么 That is my pencil.同义句转换 which pencil is taller,this or that. that,is,my,pencil,(同义句转换) Is that ___(she)pencil怎么填 That new pencil is hers.(同义句) This pencil is 18cm.That pencil is 20cmThis pencil is a ___ ____ than that one Is that a pencil?和That is a pencil?有区别吗? is,too,that,pencil,my,and) (is,case,yellow,this,a,pencil(is,too,that,pencil,my,and) (is,case,yellow,this,a,pencil)连词成句 This is my pencil ,and that is your.改病句