C+ B We love mistakes!
In conclusion I firmly believe that television should not become a commercial product merely to do more audience,
In conclusion I firmly believe that television should not become a commercial product merely to *gain a larger* audience,
As well as the television industry had to regenerate itself in order to be more suitable for the tastes of new generation
As well as *having* to regenerate itself in order to be more suitable for the tastes of new generation, *the television industry*...
Television is one of the most remarkable men's invention.
Television is one of the most remarkable* inventions of man(kind)*