• 2022-06-30
    You need proper shoes to go hiking in the mountains ______ the ground is rough and hard.
    未知类型:{'label': 'questionDesc', 'content': '请选出正确答案', 'isMemberControl': 0, 'type': 181}
    A: before
    B: because
    C: so that
    D: even though
    未知类型:{'label': None, 'content': '', 'isMemberControl': 0, 'type': 181}
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