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题型：单选题 题类：常考题 难易度：普通
黑龙江省密山市2018-2019学年六年级下学期（五四学制）英语期末考试试卷
—I'm not c{#blank#}1{#/blank#}about that．Maybe he'll stay at home．
—That's for certain, but we should use them correctly.
5G is coming! It will make our life{#blank#}1{#/blank#}.
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