so has he said 还是 so he has said?

so has he said 还是 so he has said? He has said,"I will not do so again." →He has said that he _ -Why did he say so?-sorry,I don't understand___he has said m He has never been to shanghai,So he has还是so does he so he has 和so has he 什么区别 So has he 和So he has 的区别 so he has 和so has he有什么不同, He has so many balls so he has怎么读? ___ he said so surprised us all. 在此句中 应该用so he has还是so he does? 什么时候用so does he or so has he