I hurt my_____(膝盖),and it's painful when i walk 用I hurt my_____(膝盖),and it's painful when i walk用复数还是单数?为什么

来源:学生作业帮助网 编辑:作业帮 时间:2024/11/02 18:21:56

I hurt my_____(膝盖),and it's painful when i walk 用I hurt my_____(膝盖),and it's painful when i walk用复数还是单数?为什么
I hurt my_____(膝盖),and it's painful when i walk 用
I hurt my_____(膝盖),and it's painful when i walk
用复数还是单数?为什么

I hurt my_____(膝盖),and it's painful when i walk 用I hurt my_____(膝盖),and it's painful when i walk用复数还是单数?为什么
单数

复数吧……两个膝盖……

复数,因为膝盖是双的

knee