您要查找的是不是：
- Do I have to keep my ticket till after I get off? 车票要保留到下车吗？
- Do I have to keep them buckled all the time? 是不是一直都必须扣着?
- Do I have to keep the belts fastened all the time? 我需要一直系着安全带吗?
- Do I have to keep still? 我必须保持不动吗?
- Do I have to keep assembling these units until kingdom come? 我装配这些玩意要装配到何年何月?
- Do I have to keep my current phone service in order to use iTalkBB's service? 是否需要保留现在的电话服务才能使用iTalkBB服务?
- Do I have to do away with my habit? 我是不是得改掉我的习惯？
- 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?
- He still does not get the point. How many times do I have to repeat myself to get it across? 他还没能抓住要点。我要重复多少次才能使他们了解呢？
- 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？
- 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 am a new student. What do I have to do? 我是新生。我得做些什么？
- I have to keep my leg strapped up for six weeks. 我的腿必须打六星期绷带。
- Why do I have to pay so much in taxes? 为什么要缴这么多的税金呢?
- I have to keep you and Paris on my mind. 我不得不把你和巴黎牢牢的放在记忆里。
- Do I have to go? I must, I think. 我一定得去吗?非得我去，我想。
- I have to keep you straight in your head. 我必须把你的思想调整得有条有理。
- Life goes on, I have to keep on going, with smile. 哎,不想了,日子还是要过的,比我过的难的人,还有很多
- And how many tablets do I have to take each time? 我一次需服几粒?
