多长时间

• How long has he held office ?
  他已任职多长时间了？。
• How long have you had the cold ?
  你感冒多长时间了？
• How long is it to lunch ?
  离吃午饭还有多长时间？
• How long did you wait ?
  你等了多长时间了？
• How long would you stay in africa if you had a chance to go ?
  如果你有机会去非洲的话，你打算居住多长时间？
• How long is it between the date of publication and the date of approval ?
  从公告那天起到核准那天止要多长时间？
• Some team members become defensive when asked how long a given job will take .
  在问及某项工作将花费多长时间时，有些组员往往持保守的态度。
• One can calculate how long it would take for the earth to stop as a result of this resistance .
  人们可以算出，作为这种阻力的结果，地球需要多长时间才会停下来。
• How long is it since your friend came to beijing
  你的朋友来北京有多长时间了？
• How long will you refuse to budge ? shut up
  你还要这么硬扛着多长时间啊？闭嘴！