When her books were broken,she fix them and tidy them up very carefully.
问题描述：
When her books were broken,she fix them and tidy them up very carefully.
答
When her books were broken,she fixed them and tidied them up very carefully
答
当她的书坏了，她非常仔细的修好并整理好它们
答
改错吗?
主句中的谓语时态不对.
应该把 fix 改为 fixed,把 tidy 改为 tidied.
保证准确率~
答
When her books were broken,she【would】 fix them and tidy them up very carefully
当她的书坏了时，她会十分仔细地把他们补好并整理好。
O(∩_∩)O