选用方框中的词语，并用其适当形式填入短文。
Interesting,both,a visit,they,when,sport,thing,take,stay,no longer
Skin-diving is a new           today.This sport takes you into a wonderful new world.It is like      to the moon!When you are under water,it is easy for you to climb big rocks,because you are        heavy.
Here,under water,everything is blue and green.During the day,there is enough light.When fish swim nearby,you can catch       with your hands.
When you have tanks of air on your back,you can       in deep water for a long time.But you must be careful       you dive in deep water.
To catch fish is one of the      parts of this sport.Besides,there are most uses for skin-diving.You can clean ships without      them out of the water.You can get many      from the deep sea.
Now you see that skin-diving is        useful and interesting.