71.My father____,but he gave it up a year ago.A,used to smok

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71.My father____,but he gave it up a year ago.A,used to smokeB.was used to smokingC.have smoked
为什么选B?A呢

我觉得应该是选a的,根据意思 used to do 表示过去惯常做某事,而现在则不了,字典上就有例句》：I used to smoke ,but I give up a couple of years ago.
be used to doing sth 表示习惯于,适应于某事
你是不是再看下正确的答案

71.My father____,but he gave it up a year ago.A,used to smok my father __a lot.He has given up smoking now.a used to smok 请帮我看看这两个句子的区别.my father used to smoke ,but he gave it up a c I used to smoke ____ but I gave it up three years ago. His school bought computer time for a year,but he used it up i used to smke___but i gave it up three years ago he had a great (成功).he (成功)in persuading him to give up smok He finally gave up/gave back the money I had lent him a year if it was one and a half year ago ,i would lose my heart to Last year I _ my dad to give up smoking,but failed.A.advised they asked tom to gave him a drink ,but he 选择题：He gave this watch to me as a gift on my birthday. It's