If you are invited to a birthday ceremony for the elderly, the host does not need to give you return gifts. 答案: 错误

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If you are invited to a birthday ceremony for the elderly, the host does not need to give you return gifts. 答案: 错误

风从东方来：今日中国概况（全英文课程）(杭州师范大学) 中国大学mooc答案满分完整版章节测试 m337907

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