问题
选择题
---Jack, _______ have you been away from your hometown?
---Since the end of last February.
A．how long
B．how soon
C．how far
D．how often
答案
答案：A
考查情景交际与现在完成时。“杰克，你离开家乡多久了？”“自从去年二月底。”对一段时间提问，用how long；how soon是对将来提问；how far对距离提问；how often对频率提问。故选A。