—Howdidyouknowthedetailsofthatsurprisingnews?—Ihappened... 国语站 题库 2.4W 大中小设置文本大小 问题详情:—How did you know the details of that surprising news?—I happened _________ the event then.A. to be listening B. to have covered C. to be covering D. to have listened【回答】c知识点:不定式题型:选择题 TAG标签:Ihappened #