◎ 题干
At school our teachers do all they can _____ us with our lessons.

[     ]

A. help
B. helping
C. helped
D. to help
◎ 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“At school our teachers do all they can _____us with our lessons. [ ]A. help B. helping C. helped D. to help …”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。