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Directions: For Questions 6—10, you will hear a report about a new federal study. While you listen, complete the sentences or answer the questions. Use not more than 3 words for each answer. You will hear the recording only once. How much is the trip

【参考答案】

＄100

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Directions: For Questions 6—10, you will hear a report about a new federal study. While you listen, complete the sentences or answer the questions. Use not more than 3 words for each answer. You will hear the recording only once. How much is the trip 您的浏览器不支持 audio 元素。