---I don't know_____________?---In ten minutes.A how long has he been here

问题描述:

---I don't know_____________?---In ten minutes.A how long has he been here
A how long has he been here
B.how long will the film last
C.how often he goes to visit his parents
D.how soon the film will begin

最快回答是对的,O(∩_∩)O谢谢我告诉你原因吧,因为how long可以代表时长是一个时间段,并不是时间点,问的是这个电影几时几刻开始,就是时间点,所以用soon,