Is this your knife 改为复数句子
Is this your knife 改为复数句子
This is a knife 改为复数
Is this your dictionary?改为复数句子形式
把Is this your map改为复数句子
There is a knife in the kitchen 改为复数句子
This knife is his.怎么改复数形式的句子?
whose knife is this?将句子变成复数
is this your dress?改为复数句
Is this your pencil?改为陈述句+复数
IS this your sister?(改为复数句)
Is this your duck?(改为复数句)
Is this your friend?改为复数形式