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

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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

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
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

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

选A。过去常常抽烟。 be used to do sth.

a year ago已经是过去了,就不能说是过去常常(做某事)了(used to do sth),只能选B,习惯于做某事(be used to doing sth)

A
经常的意思

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