You don't look well.you 'd better see the doctor .I [have] .But the doctor said there was nothingserious.为什么括号中填have?

You don't look well.you 'd better see the doctor .I [have] .But the doctor said there was nothingserious.为什么括号中填have?
You don't look well.you 'd better see the doctor .I [have] .But the doctor said there was nothing
serious.为什么括号中填have?

You don't look well.you 'd better see the doctor .I [have] .But the doctor said there was nothingserious.为什么括号中填have?
写全了就是： I have seen the doctor.
这是现在完成时

你看起来不舒服,你最好去看看医生.我有去看过.但是医生说一点事没有.