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题型：填空题 题类：常考题 难易度：容易
人教版小学英语三年级下册Unit 1 Welcomeback to school! 随堂练习
The Earth was{#blank#}1{#/blank#}and{#blank#}2{#/blank#}in the past，but now some parts are{#blank#}3{#/blank#}．We should stop throwing{#blank#}4{#/blank#}into rivers．We should stop cutting{#blank#}5{#/blank#}so many trees and using{#blank#}6{#/blank#}bags．
eye{#blank#}1{#/blank#} hi{#blank#}2{#/blank#} arm{#blank#}3{#/blank#} nose{#blank#}4{#/blank#}
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