◎ 题干
He made _____ experiments to prove his theory, and the number _____ added up to 600.
A.a large number of ;haveB.a great deal of; has
C.a great many; hasD.plenty of; have
◎ 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“He made _____ experiments to prove his theory, and the number _____ added up to 600.A.a large number of ;haveB.a great deal of; hasC.a great many; hasD.plent…”主要考查了你对  【动词短语】  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。