阅读下面材料,在空白处填入适当的内容(1个单词)或括号内单词的正确形式。John:I've been noticing recently quite a lot of black smokecoming out of the chimneys of that factory near our school,which really pollutes the air here.
Mary:Yes, {#blank#}1{#/blank#} does. But I heard recently that the{#blank#}2{#/blank#} (own)ofthe factory have promised to take measures to reduce their factory's pollution.
John:I hope they will keep their promise.
Mary:I think they will. I've been told that {#blank#}3{#/blank#} special machineis supposed to be fixed by the end ofthis year. It's said that the machine{#blank#}4{#/blank#} clean the dust out of the smoke before it goes into the air.
John:That's good. Dust is really {#blank#}5{#/blank#} (harm) to our lungs. I knowthat because my family lives near a steel factory with a chimney constantly{#blank#}6{#/blank#}(pour)out black smoke.
Mary:Oh, you live near the steel factory? Is it true that we shouldn't eat the fish from the lake near thesteel factory?
John:Yes,that's true—the lakehas been {#blank#}7{#/blank#} (pollute)by waste from the steel factory.
Mary:Why don't they do anything to clean up the pollution?
John:They always promise, {#blank#}8{#/blank#} never act. A bit of action is {#blank#}9{#/blank#}we need.
Mary:You're {#blank#}10{#/blank#}.