I can’t go to the cinema with you because I _______ stay here until my mother comes back.
---What’s Alan Smith’s _____name ? ---It’s Alan.
----Is Bill your cousin?-----_____. He’s my brother.
-----What color is it? It’s_____.
---This is my____ and these are her______.
---Is this your pen? --No, it isn’t.----______this dictionary ?is it yours?---oh, yes, it’s mine.