◎ 题干
It wasn’t ________ they found that there was much trouble ________ the plan.
A.long before; to carry outB.long before; carrying out
C.before long; with carry outD.before long; in carrying 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“It wasn’t ________ they found that there was much trouble ________ the plan.A.long before; to carry outB.long before; carrying outC.before long; with carry …”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。