试题 试卷
题型：单选题 题类：常考题 难易度：普通
山东省东营市广饶县2018-2019学年六年级下学期（五四学制）英语期中考试试卷（含完整音频）
—In March, I think.
—Yes, I saw her ____________ the piano in the next room.
—It's a ruler.
certain; be away; somebody; but; empty
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