否定句he didn't like playing football at the age of four.划线提问What did he like at the age of four?When did he like playing football Who liked playing football at the age of four?一般疑问句没写Did he like playing football at the age of four?刚才没注意，呵可~~~~~~~~~~~~~~~祝你进步,有疑问可追问,希望能及时采纳~~~~~~~~~~~~~~~