我尽量每周去健身房锻炼三次以保持健康。

I try to ___work ___out at the gym three times a week to stay healthy.

我在健身器上锻炼时，她看着我。

She looked at me while I was ___working ___out on the exercise machine.

你有规律的锻炼计划吗？

Do you have a regular routine to ___work ___out?