Where is Lily, Lucy? I cannot find her anywhere. — She _____have been off long. I saw her clean the window just now. [ ]

下列对文化常识的表述正确的一项是 （ ）

_______a lot _______ fun.

Who’s singing in the next room— It ____ beher . She has gone to New York.

I don’t think our earth will be destroyed as described in the film 2012.- _____. It’s only a science fiction film.