I did the only thing I could do. I hit him with my closed fist as hard as I could.

VOA: special.2010.07.17

I'm a little short but I was doing OK. But I did do some research when I saw this book last year.

虽然款项很少，但是我还做得不错,我去年看这本书的时候，做了些调查。

普林斯顿公开课 - 人性课程节选

So I do, yeah, workshops, and one of the things I do is a series of life drawing salons.

所以我举办工作室，所做的活动之一就是举办一系列的人体素描沙龙。

在市场遇到的人 - SpeakingMax英语口语达人

"I clearly knew I had to do something and I failed to do it, " he said.

BBC: Google+: The new Facebook rival?

"If I didn't do this to this dress I might do this to your child!"

NPR: Excerpt: 'Nobody's Baby'

"I couldn't do two blocks before and now I can do five miles, " Mr. Petersen says.

WSJ: Peripheral Artery Disease (PAD) - When Achy Legs Are a Warning