◎ 题干
—What’s wrong with your ipad? The sound        is not clear.
—Yes. It has been broken for some time.
A.come outB.coming outC.to come outD.came out
◎ 答案
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“—What’s wrong with your ipad? The soundis not clear.—Yes. It has been broken for some time.A.come outB.coming outC.to come outD.came out…”主要考查了你对  【动词短语】【动词】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。