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- We have to face dangers from time to time. 我们不得不随时应付危险的事情。
- You have to drive your car from time to time. 你必须时常开一开你的车。
- My mother was very ill, and I had to attend to her. And I was worried about her operation. 我母亲病了，我不得不照顾她。我非常担心她的手术情况。
- Mary Lamb had to be put away from time to time. 玛丽兰姆不得不多次被送进精神病院。
- She has to work at weekends from time to time. 她偶尔周末还得工作。
- We have to train computer operator from time to time. 我们必须定期培训计算机操作员。
- B: No, I have to buy some imported foods from time to time. 不是,我三不五时得买些进口食物来吃。
- She really has a tough job having to attend to so many things. 她一个人担任那儿工作, 真够劲儿。
- The scheme fell through because of some big business deal Ned had to attend to. 因为纳德要专心应付几宗大买卖，计划落空了。
- From time to time and for sufficient objects this risk will have to be faced. 总有些时候，为了值得冒险的目的，我们必须去冒这种危险。
- He have to attend a retrain session. 他不得不参加一期的再培训。
- The minister has to attend all kinds of functions. 部长必须参加各种集会。
- From time to time accreditation bodies have to investigate complaints concerning such differences. 有时，认证机构必须调查与这些差别有关的错误。
- He said: "From time to time, cats or dogs get letters.It just happens and of course Maxi won't have to pay. 牌照中心每年都要发出1300万封此类信件，提醒人们交费，有时候，地址都被搞混了。
- I'll have to attend a meeting this afternoon. 今天下午我得去参加会议。
- I have to attend a meeting later. 等会我要开会。
- It flashed upon him that he had to attend a meeting. 他突然想起他必须去参加一个会。
- Do I have to attend an interview? 我必须参加面试吗?
- Their brothers in their villages had to come from time to time and share their duties for seven-day periods. 他们的族弟兄住在村庄,每七日来与他们换班。
- Salesmen have to attend refresher courses frequently. 销售人员必须经常参加专业进修。
