He hurt his feet when he played soccer.（对画线部分提问） _____ _____ he hurt his feet.画线部分是：when he played soccer.
问题描述：
He hurt his feet when he played soccer.（对画线部分提问） _____ _____ he hurt his feet.
画线部分是：when he played soccer.
答
how did
如果填when的话划线部分就应该是
he played soccer
答
__When___ ___did__ he hurt his feet?
答
When did he hurt his feet.
对时间进行提问,用特殊疑问词when后加一般疑问句.