多长时间

• How iong you been a waiter ? - since i was 1 8 ,
  你招待作了多长时间了-从18岁开始
• How long did it take for you to learn shanghainese
  安：那你上海话花了多长时间？
• How long has she been in your employ ( ie employed by you )
  你雇用她多长时间了
• How long does it take to get to guangzhou by train
  乘火车到广州需要多长时间？
• What is teeth cleaning ? how often do i need it
  什么是洗牙？多长时间洗牙一次？
• How long it the workers build the hospital
  工人们建成这所医院花费了多长时间？
• How long will fxcm support the existing platform
  Fxcm对现有的平台支持多长时间？
• How long does it usually take you to make a delivery
  通常你方需要多长时间交货？
• How long will it take to set up the projector
  把这个放映机安放好需要多长时间
• How much time you spend in the joint , antoine
  你在监狱里呆了多长时间, antoine