Q:

The air hostess said that the passengers must wear face masks during the flight.

• 1
  The air hostess said, “Passengers are wearing face masks during the flight.”
• 2
  The air hostess says, “Passengers should wear face masks during the flight.”
• 3
  The air hostess said, “Passengers must wear face masks during the flight.”
• 4
  The air hostess said, “Passengers wore face masks during the flight.”