语音讲解：
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　　【听力问题】

　　What has Susan done?

　　a. She didn’t do it

　　b. She was upset about it.

　　c. She has got the chance before us.

　　【原句再现】

　　Susan has beaten us to it. Now we have lost the chance.

　　苏三已经早我们一步做了,我们失去这次机会了。

　　【短语解析】

　　Beat someone to it, 早于某人先做某事 。

　　补充短语：beat sb. black and blue, 把某人打得青一块紫一块; beat time, 打拍子。