您要查找的是不是：
- How often does the tram run? 这电车多久一班?
- How often does the train to Toronto run? 到多伦多的列车多长时间开一趟?
- How often do the buses run on this route? 走这条路线的公车隔多久一班?
- How often does the bus for downtown leave? 到市区的公共汽车多久开一班?
- How often does the bus to downtown run? 到市中心的公共汽车多久来一班?
- Q: How often does the WPM need to be re-treated? 问：木质包装隔多久需要重新进行熏蒸处理？
- How often does the shuttle bus run? 专线巴士多长时间一班?
- Kate: How often does the ferry leave? 凯特：我们等渡船要多长时间?
- How often does the streetcar run? 这趟电车多长时间跑一趟?
- How often do the buses go to there? 去那儿的车多少时间一趟?
- How often does the train run? 这火车多久一班?
- How often does the bus run? 公共汽车是多久一班？
- How often does the 55 run ? 55路多少时间一班?
- A: How often do the buses run? 公共汽车多久一班?
- How often (ie At what intervals) do the buses run? 公共汽车隔多长时间一班?
- How often does the surgeon perform the procedure that you want? A few times a month is not enough. 手术一般在什么时候才能达到你想要的效果?有些时候一个月并不够。
- How often do the buses run? 公共汽车多长时间跑一班?
- How often do the trains run? 这些火车多久一班?
- How often do you go to the library? 你多长时间去图书馆一次？
- How long should we spend time in dictating one section normally?How often do the articles be renewed? 如果一个小时也听写不完一篇，是否意味特别英语对我来有说太难了？
