--- Have you found the dog?--- No, but .
--- My office is untidy. --- You should spare some time to _________ the documents.
The family had lived ________ before, but the terrible traffic accident destroyed everything.
There are two buildings, _______ stands nearly a hundred feet high.
The crowd went _______ when they saw the famous star. They were crazy!
Cell phones _______ by more and more teens and many new functions _______ to them nowadays.