. --- Sarah said she wrote you a letter. --- I wonder ______ she is writing to me about.

---- ______ film do you prefer, Lost in Thailand or Life of Pi, Mandee?----Lost in Thailand. I like comedies because they often make me laugh.

____ is what he did, not what he said, that moved us greatly.

With the rapid development of the Internet, _______ communication is done by regular mail.

That was all ______ could do in such a poor financial situation.