Whose knife is this?(改成复数)
Whose knife is this?(改成复数)
whose knife is this?将句子变成复数
Whose toy is this?改成复数句
把This is a box and that is a knife.改成复数形式
Is this your knife 改为复数句子
Is this her knife变复数
This is a knife 改为复数
this is my knife改复数句
This is a knife.怎样变复数.
Whose is this handbag?复数形式是什么
whose is this dog(改成同义句)
this is knife in the box(变复数句