英語完形填空,超難,
Three hundred and seventy-five million years ago,the weather became very hot.Many years went p__1__ with little or no rain.The lakes became d__2__,and many fish died without water in the lakes.
Some kinds of fish were a__3__ to move to the new places with water.
These fish could live b__4__ on land and and in the water.In the n__5__ four or five million hundred years,they slowly c__6__ and became the first animals.They lived sometimes on land and sometimes in the water.Three hundred million years ago,the weather
changed.It was still hot,b__7__ it rained a lot.So the first animals lived in or near the lakes,and they could eat fish in those lakes.