• 2022-06-08
    —Tom has been to Beijing before.—  [u]             [/u] .
    未知类型:{'label': 'questionDesc', 'content': '请选择正确答案。', 'isMemberControl': 0, 'type': 181}
    A: So does Jack
    B: So has Jack
    C: So is Jack
    D: So he is