◎ 题干
It won't be ________ he ________ up with us.
[     ]
A.long before; catches  
B.before long; catches
C.for long; caught  
D.long until; will catch
◎ 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 won't be ________ he ________ up with us.[ ]A.long before; catchesB.before long; catchesC.for long; caughtD.long until; will catch…”主要考查了你对  【形容词】【一般现在时】  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。