Howdidyouknowthedeta的精選

問題詳情：—Howdidyouknowthedetailsofthatsurprisingnews?—Ihappened_________theeventthen.A.tobelistening    B.tohavecovered   C.tobecovering    D.tohavelistened【回答】c知識點：不定式題型：選擇題...