my brother_(break)his leg while he_(skate)
问题描述：
my brother_(break)his leg while he_(skate)
答
My brother broke his leg while he was skating
答
broke：was skating 注意while！
My brother broke his leg while he was skating.我的兄弟在溜冰时，把腿弄折了。
答
My brother broke his leg while he was skating.
希望能帮到你,祝更上一层楼O(∩_∩)O
答
意思是：
我哥哥溜冰的时候伤到了腿。
则应该填的是：
My brother broke his leg while he was skating.
用过去时。