Here is an opening paragraph:

Do you like going on vacations? Traveling to different places is
exciting. Mexico offers many vacation locations. In Mexico, there
are beautiful beaches, wonderful people, and scenic cities.

• 1) The first sentence in the concluding paragraph needs to link to the
  opening paragraph, which sentence best fits as a link?
  

  Whale watching is exciting if you see any whales.
  I enjoyed vacationing in Mexico.
• 2) I had fun in Mexico because the beaches were so beautiful, the
  people were wonderful and the cities were so spectacular.In a
  concluding paragraph this sentence would be called the ...
  

  title
  thesis
  creating interest
  restating the thesis
• 3) Mexico is the perfect vacation spot. This sentence the last
  sentence in the concluding paragraph. What should be your title?
  

  Mexico
  Spectacular Cities
  The Perfect Vacation Spot
  Wonderful People