-- They look so tired.--Yeah. They _____________ day and night. So they are all in poor health.
--- Have you finished your homework ___________?--- Yes, I have done that ____________.
---_________ did your cousin leave his hometown?---He _________ for nearly five years.
Mrs. Black isn’t used to _________ by sea and she used to _________ sick a lot.
The old man lives _________ in the country, but he doesn’t feel _________ at all.
---Must I return the dictionary today?---No, you _________. You _________ keep it until next week.