Explain about Substitution and modulation​

You suspect that this article has left out some facts that might lead the reader to believe that someone else made the star-spangled banner. what is the best way to verify this? by consulting a variety of sources by disregarding the article entirely by writing a letter to the editor of the publication that printed the article by reading various historical accounts by verifying the opinions

Is "they" an unstressed or stressed syllable?

Why do you think frank tashlin titled this story  the bear that wasn’t? why didn’t the factory officials recognize the bear for what he was? why did it become harder and harder for the bear to maintain his identity as he moved through the bureaucracy of the factory?