I'm mighty glad to see her back on duty after only a half day off!
No. It was afternoon and I had to go back on duty.
Us upstairs maids are on duty today.
Only little Lydia—who I understand was Jill-on-the-job and busted you for racing on her first day on duty.
Only now was he beginning to understand that her staying depended less on duty and honor and more on him.