Ответ:

I. Right or wrong.

  1. Wrong. Mark Twain was very fond of traveling.
  2. Wrong. He was going to visit a small town near Paris.
  3. Wrong. The guard woke Mark Twain up at half past nine, but the train was already in Paris.
  4. Right. Mark Twain got very angry because he thought the guard had not woken him up in time.
  5. Right. The guard put off the American instead of Mark Twain.