—Where were you doing when I called at your house this morning?—Oh,I______ for a friend from New York at the airport.
She is _____ friend.
----_____ is this dress? ---- It’s mine.
. ---- Is the letter yours? ---- No, it’s not mine. It’s_____.
----What color is _____ hair? ----I think ______ black.
---What are these ? --- ______ are pens.