I need to do some exercise to tone up.

我需要做些运动来强身健体。

youdao

I also do some exercise every day.

我每天也会锻炼锻炼身体。

youdao

I have to do some exercise everyday.

我每天做必须一些运动。

youdao

Some people,for example, do this if they exercise hard during a heat wave.

VOA: special.2010.07.27

We do some exercise, dips, pull-ups,

我们做一些运动，仰卧后撑，做引体向上。

圣莫妮卡的 DJ - SpeakingMax英语口语达人

Partly to show you that it's kind of weird, but also to tell you that one of the things you want to do is exercise what I'm going to call some type discipline.

一定程度上来说这有点儿怪，但是还是想要告诉你们的是,你们需要做一些,我称之为类型规范的练习。

麻省理工公开课 - 计算机科学及编程导论课程节选

So I will do some exercise for here.

CNN: Interview with Gordon Liu

Israeli observers have suggested that even if parts of the Fatah leadership are serious about reducing the level of violence, they plainly do not exercise authority over some of the various armed bands.

ECONOMIST: Reprisals and politics

Children at the school do the exercise class at least once a day, some of them twice.

BBC: Obesity rates fall in Philadelphia