Swimming is very popular in summer. People like swimming in

Swimming is very popular in summer. People like swimming in summer because water (71)m______ people feel cool. If you like swimming and swim in a wrong place, it may not be safe. Last summer, more than ten people died (72)w______ they were (73)e_______ themselves in the water, and (74)m______ of them were students. But some people are (75)s_____ not careful in swimming. They often think they swim so well that(76) n_____ can happen to them in water. Summer is here again , if you go swimming in summer, don’t forget that better swimmers have died in (77)w______. They (78)d______ only because they were not (79) c______, not because they could not swim. So don’t get into water when you go swimming (80)y______, go with your teachers or your parents. If there are “No Swimming” sign, don’t get into water, either. If you remember these, swimming will be safer.
谢谢～