In fact your final exam will require you to choose one of two questions.

事实上，你们的期末考试，会要求你们在两个问题中选一个。

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By answering two questions above, we came up with the final solution.

通过回答上边两个问题，我们得出了最后的解决方案。

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By answering two questions above, we came up with the final solution.

通过回答上边两个问题，我们得出了最后的解决方案。

youdao