Thsae are his brothers(变单数形式)
That's his friend(变复数形式)
Is this your sister?(做否定回答)
Those are my friends,(变单数形式)
Thsae are his brothers(变单数形式)
That's his friend(变复数形式)
Is this your sister?(做否定回答)
Those are my friends,(变单数形式)
This is his brother.
Those are his friends.
No,she isn't
This is my friend.
this is his brother
those are his friends
No,it isn't
that is my friend
this is his brother
those're his friends
no ,she isn't
that is my friend
This is his brother.
Those are his friends.
No, this is not.
That is my friend.