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试题详情及答案解析
Thank you very much for ________ us.
A.helpB.helping
C.to helpD.helps
答案:B
试题分析:Thank you very much for doing 表示因为做.... 而感谢某人;句意:非常的感谢你帮助我们。结合句意,故选B
考点:考查非谓语动词的用法。