她正在进行腿部训练。

She is doing leg ___exercises.

医生建议他每天做30分钟的锻炼来保持健康。

The doctor advised him to do 30 minutes of ___exercise daily to stay healthy.

这些数学练习题能帮助你提高计算能力。

These math ___exercises will help you improve your calculation skills.

海军陆战队每天清晨都要进行体能训练。

The Marines do morning ___exercises every day.

民主权利的行使对公民来说非常重要。

The ___exercise of democratic rights is crucial for citizens.