• 2022-06-10
    She accidentally stepped on his foot on a crowded _____ train. 
    未知类型:{'label': 'questionDesc', 'content': '根据句意,选择合适的单词或短语', 'isMemberControl': 0, 'type': 181}
    未知类型:{'label': 'source', 'content': '英语二2015年完型', 'isMemberControl': 0, 'type': 181}
    A: researcher
    B: trainee
    C: employee
    D: commuter
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