He will go to see ___his___grandparents___ tomorrow 对划线部分提问

问题描述:

He will go to see ___his___grandparents___ tomorrow 对划线部分提问
________ ________he __________gotoseetomorrow?

who will he go to see tomorrow he后面有横线啊!如何解答?抱歉,刚刚看见追问。我认为he后面有横线是不对的。