◎ 题干
He knows that ________ is time that he ________.
[     ]
A.it; quits smoking
B.it; quitted smoking
C.this; should quit to smoke
D.that; quitted to smoke
◎ 答案
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◎ 解析
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◎ 知识点
    根据魔方格专家分析,试题“He knows that ________ is time that he ________.[ ]A.it; quits smokingB.it; quitted smoking C.this; should quit to smokeD.that; quitted to smoke…”主要考查了你对  【it的用法】【虚拟语气】  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。