the answer is B,tell my why

学习 时间:2026-10-10 02:24:51 阅读:6684
the answer is B,tell my whyto my satisfaction,i noticed that their work_____B was being improved D had being improved

最佳回答

深情的背包

花痴的黑猫

2026-10-10 02:24:51

was being improved 表示IMPROVE 的动作当时正在进行。had being improved强调已经完成,发生在过去的过去。improve 发生在notice之前

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  • 自觉的乐曲
    回复
    2026-10-10 02:24:51

    was being improved 表示IMPROVE 的动作当时正在进行。had being improved强调已经完成,发生在过去的过去。improve 发生在notice之前

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