—I’m tired out these days.--Well, you’d better keep a _____ between work and play.
--- 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.