There is boy pouring waste water into the river. A. a 8-year-old B. a 8-years-old C. an ——青夏教育精英家教网—

摘要： There is boy pouring waste water into the river. A. a 8-year-old B. a 8-years-old C. an 8-year-old D. an 8-yeas-old

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