答题库 《人文英语3》 2020-04-28 He asked John ______ he could swim. He asked John ______ he could swim. 选择一项： A. that B. if C. how 钻石免费当前隐藏内容需要支付积分已有人支付 支付查看解析：选B。 钻石免费当前隐藏内容需要支付积分已有人支付 支付查看
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