• 2022-06-12
    More than one-fifth of adult in both the United States and Britain said in a 2018 survey that they often or always feel lonely.
    未知类型:{'label': 'questionDesc', 'content': '请指出以下句子中的错误。', 'isMemberControl': 0, 'type': 181}
    未知类型:{'label': 'source', 'content': '2021年6月 四级 卷二 选词填空', 'isMemberControl': 0, 'type': 181}
    A: one-fifth of adult
    B: a 2018 survey
    C: feel lonely
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