I will go home as soon as I___my homework.(finish)

題目：

I will go home as soon as I___my homework.(finish)
用什麼時態?是不是一般現在和現在完成都可以?

解答：

I will call you as soon as I reach home.
He will let you know as soon as he finds out anything.
You must close the door as soon as you enter the room