1.Do it yourself ─ I don't have time.你自己做吧——我没时间。

2.I could do it now, if you like.如果你愿意的话，我现在就可以做这事。

3. A change of job would do you the world of good.换一下工作会对你大有好处。

4. The charity does a lot of good.这家慈善机构做很多善事。

5. She went up in my estimation when I discovered how much charity work she does.我发现她做了这么多慈善工作，我就比以前尊敬她了。

6. She doesn't work here, does she 她不在此地工作，对吧？