Directions: In the following passage, some words have been deleted. Fill in the blanks with the help of the alternatives given. Select the most appropriate option for each blank.

The Japan Transport Safety Board announced that it had ___(1)___ the flight data and voice recorders of the Coast Guard aircraft, while the search for those of the JAL plane was ongoing. The French Bureau of Enquiry and Analysis for Civil Aviation Safety (BEA) announced on Twitter that they will be cooperating with Airbus during the ___(2)___. It also added that it would send a team to Japan to investigate the incident. UK investigators from engine manufacturer Rolls-Royce also planned to join them.

The MLIT subsequently released the ___(3)___ of air traffic control communication, covering the last 4 minutes and 27 seconds before the crash. It showed that before the accident, air traffic controllers ___(4)___ the JAL aircraft to land on runway 34R, while the Coast Guard aircraft was instructed to hold short of the runway and remain on the taxiway. The Japan Broadcasting Corporation NHK, however, citing a source within the Coast Guard, reported that the pilot of the Coast Guard plane claimed to have received clearance to take off. It also reported that police were investigating possible professional ___(5)___ as a cause of the incident.