article: Skin Diving     Interesting & Useful
  Skin-diving, a new sport today, _ ! It is like a visit to the moon!
  When under water, it is easy for you to climb big rocks because you are no longer heavy, much lighter than on land!
  Here, under water, everything is green and blue. During the day, there is plenty of light. When fish swim nearby, you can catch them with your hands!
  With a tank of air on your back, you can stay in deep water for a long time, but you must be careful when you dive in deep water.
  To catch fish is one of the most interesting parts of the sports. Besides, there're more uses for skin diving. You can clean and repair ships without taking them out of water. You can get many things from the deep sea.
question: With a tank of air on your back, you can   _  .
options: swim like a fish have more fun go deeper under water and stay longer catch fish more easily