It is important for A to do

I would be delighted to help you with your project.

The do-gooder spent her time volunteering in her local community.

I love doing do-it-yourself projects on the weekends.

He always takes the easy way out and does nothing to bring about change or improvement.

I prefer to do it myself rather than asking for help.

This informal economy, with its recycling-based business model, seems to be doing the city a great service.

When faced with the extraordinary beauty of a sunset, I cannot but do feel a surge of hope.

After making several errors, she decided to do over the experiment from the beginning.