Sentence examples for done extensive from inspiring English sources

"We've done extensive testing on this".

"We have done extensive toxicological studies.

The Carter Center has also done extensive fieldwork.

They have done extensive national "prospecting" for donors.

He has done extensive lecturing, radio and television work.

One of the places you've done extensive work is Uruguay.

MIT researcherGeorge Westermanhas done extensive homework for you.

The UN Population Fund has done extensive research on this.

Many have done extensive market research and insist that early tests are positive.

The pollster John Zogby, who has done extensive work in Arab countries, took the opposite view.

We have done extensive research and double and triple-checked facts.