Fill in the Blanks (Reading & Writing)

For centuries, lighthouse keepers were —responsibleresponsiblyresponsibilityresponsive for maintaining the lamp and ensuring it never went dark, even during violent storms. The role demanded —constantconstantlyconsistencycontent attention, since a single lapse could result in a shipwreck. Today, automated systems have largely —eliminatedilluminatedeliminatingeliminate the need for a resident keeper, though a few historic towers still employ one for tourism purposes.