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题型：单选题 题类：常考题 难易度：普通
陕西西安七十中2017届九年级下英语第一次月考试卷
—Yes. We have to do something to protect our environment.
— Wow! They were celebrating the Water Festival.
{#blank#}1{#/blank#}weather it is! Let's walk round to the park.
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