I think I know which one I got wrong :)

来源: 甜虫虫 于 2022-01-05 13:09:30 [] [博客] [旧帖] [给我悄悄话] 阅读数 : (89 bytes)
回答: 谢虫虫交作业！almost perfect 由 心存善念 于 2022-01-05 11:14:00

 I was so sure of that one, and didn't give a scond thought of it. :)

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