There used to be a lot of trees.变为否定句

学习 时间:2026-08-23 07:59:29 阅读:6166
There used to be a lot of trees.变为否定句

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专一的时光

灵巧的萝莉

2026-08-23 07:59:29

There usedn't to be a lot of trees。或There didn't use to be a lot of trees。加油!不明白再问!