Read the following announcement and mark the letter A, B, C or D to indicate the correct option

WHAT TO DO DURING A POWER OUTAGE
• (9) _____ a power outage happens, stay calm and avoid panicking.
• Use flashlights instead (10) _____ candles if possible to reduce the risk of fire.
• To keep food fresh, (11) _____ the refrigerator door closed as much as possible.
• It is also a good idea to have (12) _____ emergency kit with basic supplies ready.