22. Dr. Frank failed many times but he finally_______to find a successful way to solve the problem.A．broke offB．broke upC．broke downD．broke through-高中英语-n多题

◎ 题干

22. Dr. Frank failed many times but he finally_______to find a successful way to solve the problem.

A．broke off

B．broke up

C．broke down

D．broke through

◎ 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“22. Dr. Frank failed many times but he finally_______to find a successful way to solve the problem.A．broke offB．broke upC．broke downD．broke through…”主要考查了你对【动词短语】，【动词】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。

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