◎ 题干
Though he failed in the experiment again and again, he didn’t______, and at last, he made it.
A.lose his heartB.lose heart
C.break his heartD.make up his mind
◎ 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“Though he failed in the experiment again and again, he didn’t______, and at last, he made it.A.lose his heartB.lose heartC.break his heartD.make up his mind…”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。