题目内容：

it is about twenty minutes from here to changfeng park on foot（划线提问）
it is about twenty minutes from here to changfeng park on foot
———————
——— ————is it from here to changfeng park on foot.

优质解答

how soon

追问：

确定吗

追答：

应该是的 它空出来的是时间 就用 how soon 吧