All ________ I ever wanted to do was to travel.

－Are the keys yours?－No, they aren’t _____. I think they’re Jason’s.

--- Is this your sister’s key, John?--- No, it isn’t. ______ is in the bag.

— Alice, is this your pen? I need one to write down the name of the book. — No, it isn’t .  ________ is over there on the desk.

 I agree with most of what you said. But I don’t agree with___________.