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

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 71.My father____,but he gave it up a year ago.A,used to smok my father used to smoke与used smoke的区别? I used to smoke ____ but I gave it up three years ago. My father gave up__at last.A.smoke B.smoking C.to smoke D.sm My father used to smoke,but now he follows the doctor`s a___ My father used to smoke.But now he doesn't.合并为一句 IMr.Smith used to smoke _____ but he has given it up. my father used to smoke a lot 另一种说法 英语翻译一.改错1.My grandfather was used to smoke a lot.But he has 用所给单词的适当形式填空 My father (use) to smoke a lot,but now he doesn my father -----smoke a lot.lt is bad . a.used for b.used to