He used to ________ ;I had ________ him to ________ , though.A.smoking; advised; give up itB.smoke; persuade; give it upC.smoking; tried to persuade; give it inD.smoke; tried to persuade; give it up
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D解析used to do sth.过去常常做某事；persuade sb. to do sth.劝服某人做某事。