this is a chinese book改为复数句
this is a chinese book改为复数句
this is a book改为复数形式
Is this a book?的复数句
This is a book and that is a knife 改为复数句 Plrase put the clot
句型转换This is a book【改为复数句】Those are my brothers【改为单数句】Is this
This is an English book(改为复数句)
Is this an English book?改为复数句
this is an English book 改为复数句
this is my book帮我改为复数句
this is my book(改为复数句)
IS this his book?改为复数句 This is my pencil.改为同义句
Is this a bus (改为复数句