tickets/ canceled/ the/ before/ concert/ was/ had/ already/ booked/ the/ We44/104tickets/ canceled/ the/ before/ concert/ was/ had/ already/ booked/ the/ WeWe had already booked the tickets before the concert was canceled.We had booked already the tickets before the concert was canceled.We booked had already the tickets before the concert was canceled.Giải thíchChọn đáp án: A