阅读下面的短文，然后根据所给首字母写出单词的正确形式。每空限填一词。Have you cared about the environment? When you see millions of rubbish were thrown away each year, are you w{#blank#}1{#/blank#} about our world? I believe you are. There are many terrible things happening every day. If the rivers are polluted, farmers can't use the water for their field. Pollution may even k{#blank#}2{#/blank#} people in some places. Pollution has become one of our greatest e {#blank#}3{#/blank#} that we should beat.
So is the world really h{#blank#}4{#/blank#} and won't get better? I don't think so. If we learn ways to save energy and sort rubbish, there will be l{#blank#}5{#/blank#} pollution. And the beautiful world will come back.
