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题型：语法填空（单句） 题类： 难易度：普通
外研版（2019）选择性必修 第一册Unit 1 Laugh out loud!分层跟踪检测1
My sister felt a little nervous on the stage with so many people {#blank#}1{#/blank#}her.
—Yes. I saw her ____ up a radio in her office at 10:00.
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