Listen to an annoucement at the Nội Bài Airport and fill in the blanks with pieces of specific information (Nghe thông báo tại Sân bay Nội Bài và điền thông tin cụ thể vào chỗ trống) This is the pre-boarding announcement for flight (1) to Ho Chi Minh City. We are now inviting thost passengers with (2) and any passeniers requiring special (3) to begin boarding at this time. Please have your boarding (4) and identification ready. Regular boarding will begin in approximately (5) minutes time. Thank ...