Not until we (18. arrive)_______ at his house we (19. discover)_______ that he was on holiday.Đoạn văn16/83Not until we (18. arrive)_______ at his house we (19. discover)_______ that he was on holiday. Nhập câu trả lời ở đây0/3000 ký tựGiải thích18. arrived (had arrived) 19. did we discover