1·Without my textbooks, I had to read and do exercises on a computer screen, which hurt my eyes.
没有课本，我不得不在电脑屏幕上阅读、做练习，这伤害了我的眼睛。
2·Athletes do exercises a lot.
运动员会做很多运动。
3·I do exercises for legs approximately once a week and most of my leg workouts include ballet movements and yoga stretching.
我大约每星期一次做腿部运动，而且绝大部分的腿部训练包括芭蕾舞步和瑜伽伸展运动。
4·To avoid knee pain, you can run on soft surfaces, do exercises to strengthen your leg muscles, avoid hills and get good running shoes.
为避免膝盖疼痛，你可以在柔软的地面上跑步，多加练习来加强腿部肌肉，尽量不在斜坡上跑，并买双好的跑鞋。
5·Students often do exercises in the morning.
学生经常早晨作体操。
6·In the senior year, I was the commissary in charge of sports and led my classmates to do exercises.
大四时，我担任体育委员，带领同学们锻炼身体。
7·Let's go and do exercises.
大家去做操吧。
—— 《新英汉大辞典》
8·We do exercises every day.
我们每天做练习。
9·My advice is that we (should) do exercises first.
我的建议是我们应该先做练习。
10·I've quitted it already. I do exercises every day instead.
不，我已经停了。我现在每天锻炼。