1.

I have worked as a volunteer for three years.

I started _______________________________________________.

2.

She has been a member of the Peace Corps for two years.

She became _______________________________________________.

3.

The last time he donated blood was ten years ago.

It has _______________________________________________.

4.

He started to work for this non-profit organisation five years ago.

He has _______________________________________________.

5.

He has never had such an interesting experience.

This is _______________________________________________