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

学习 时间:2026-04-08 06:07:39 阅读:7499
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

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端庄的大山

激动的纸鹤

2026-04-08 06:07:39

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

  • 外向的小天鹅
    回复
    2026-04-08 06:07:39

    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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