第1个回答 2012-11-08
how often是对“频率”提问的:
eg: - How often do you have your hair cut? 你多久理一次发?
- Every two weeks. 每两周理一次。
how soon是“还要多久”的意思(多用于将来时态):
eg: - How long will he come back? 他还要多久才能回来?
- In an hour. 一个小时。
how long是“持续多长时间”的意思:
eg: How long has the headache lasted? 你头痛持续多久了?
How long will the movie last? 这个电影要放多长时间?
how far是“多远距离”的意思:
eg: How far is the nearest post office?最近的邮件有多远?