may use a master key to open a guestroom if a guest requests it$.$

Question $38$

When trying to leave a smoke$-$filled room, you should:

find the nearest elevator and leave the building.

stay close to the floor and cover your mouth and nose with a wet towel.

stand in an open doorway and cover your mouth and nose with a wet towel.

use your hands to fan the smoke away from your face.