◎ 题干
You should do the things worth ____, and if you have difficulty _____ them, you can turn to your family.
A.doing; doingB.doing; to doC.being done; to do D.being done; doing
◎ 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“You should do the things worth ____, and if you have difficulty _____ them, you can turn to your family.A.doing; doingB.doing; to doC.being done; to do D.bei…”主要考查了你对  【therebe句型】  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。