The third graders have gym on Tuesdays and Thursdays.
- A work-out in the gym will exercise all the major muscle groups.
- He works in a sports centre instructing people in the use of the gym equipment.
- I felt so unfit after Christmas that I decided to join a gym.
- A figure like that is usually the product of many hours spent in the gym.
- I like to sweat it out in the gym for a couple of hours every day.
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