根据短文内容，从方框中选择适当的词，并用正确形式填空。

feel   student   something   be    good    die   that   swim   safe

Swimming is very popular in summer. People like swimming in summer because water makes them cool. If you like swimming, but swim in a wrong place, it may notsafe. These years, more than ten peoplewhile they were enjoying themselves in the water and most of them were . But some people are still not careful in swimming. They often think they swim sothatcan happen to them in water. Summer is here again. If you go swimming in summer, don't forgetsome people died in water. They died because they were not careful, not because they couldn't swim. Soget into water when you are alone. If there is a "No"sign, don't get into water. If you remember these, swimming will be much.