◎ 题干
Look! Simon is trying ______ the rocks.

[     ]

A. to pull himself up
B. pull himself up
C. pulling him up
D. to pulling himself up
◎ 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“Look! Simon is trying ______ the rocks. [ ]A. to pull himself up B. pull himself up C. pulling him up D. to pulling himself up …”主要考查了你对  【不定式】【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。