我们是英语老师 改为单数形式
Those are my sisters改为单数形式是?
they are English books.(改为单数形式)
these are new books.改为单数形式
No, they aren't.改为单数形式
They are his friends改为单数形式
改为第三人称单数形式(we are chinese)
They are Chinese【改为单数形式】
these are chinese books 改为单数形式
They're good policewomen.(改为单数形式)
are they apples?改为单数形式
Those are rulers 改为单数形式 快
are these apples?改为单数形式