the teacher spent plenty of time () the problem ()the boy,bu

学习 时间:2026-06-05 14:25:38 阅读:3274
the teacher spent plenty of time () the problem ()the boy,but he still didn't know how to workit outA on explaining,forBexplaining,forCin explaining ,toDto explain,to

最佳回答

个性的鼠标

忐忑的指甲油

2026-06-05 14:25:38

A
再问: B为何错
再答: 晕, 答案是B spend time in doing sth spend time on sth

最新回答共有2条回答

  • 仁爱的小蘑菇
    回复
    2026-06-05 14:25:38

    A 再问: B为何错 再答: 晕, 答案是B spend time in doing sth spend time on sth

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