Excusemeisthisseatta的精選

問題詳情： -Excuseme,isthisseattaken?  -_____.Thatmangothisbooksandleftafewminutesago.A.I’mafraidso     B.Idon’tthinkso        C.Idon’tknow      D.Ihopenot   【回答】C知識點：...