您要查找的是不是：
- Do I have to change planes at Karachi? 我得在卡拉奇换机吗
- Do I have to change planes at Karachi ? 我得在卡拉奇换机吗?
- Where do I have to change trains for Zurich? 到苏黎世去要在哪里换车?
- Do I have to change my money all at once? 要一次都换完吗?
- Do I have to change planes? 我需要换机吗?
- Is there a direct service, or do I have to change? 有直达的车吗，或者还是得换车?
- Do I have to change at Chinatown? 我得在唐人街换车吗?
- Do I have to change anywhere on the way to Hangzhou? 去杭州我得中途转车吗?
- Do I have to change trains anywhere if I go to Shanghai? 如果我去上海，要在什么地方换车吗?
- Do I have to pay an additional fare to change trains? 换车时还要额外付费吗?
- Do I have to go into design view to change the formatting? 我必须进入设计视图才能改变模式吗？
- Do I have to do away with my habit? 我是不是得改掉我的习惯？
- Do I have your permission to change the date? 您允许我改变一下日期吗？
- Jane: Do I have to put in liquor? 珍妮：我必须放酒进去吗？
- Do I have to remind you yet again? 还需要我再次提醒你吗?
- Do I have to lug those suitcase all the way to the station? 难道非要我把那些手提箱一直拉到车站去吗？
- I had to change the typewriter ribbon. 我不得不换掉打字机的色带。
- Do I have to take all this medicine? I wonder what pill be for what? 我得吃这么多药呀？到底哪一种药对哪一种病有效？
- I have to change out of these dirty clothes. 我得脱换这身脏衣服。
- I am a new student. What do I have to do? 我是新生。我得做些什么？
