◎ 题干
一 Be careful! Don't forget you are on a ladder.
一 But you are holding it for me, nothing _____.
[     ]
A. wrorry about
B. to worry about
C. is worried about
D. worrying about
◎ 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“一 Be careful! Don't forget you are on a ladder. 一 But you are holding it for me, nothing _____.[ ]A. wrorry about B. to worry aboutC. is worried about D.…”主要考查了你对  【不定式】  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。