howoften对什么提问
How long, how often, and how soon can all be translated as "how long". How long is used to inquire about "for how long", and is applied when questioning the length of a period of time, being used in conjunction with durative verbs.
How long, how often, and how soon can all be translated as "how long". How long is used to inquire about "for how long", and is applied when questioning the length of a period of time, being used in conjunction with durative verbs.
