I am to do my homework tonight.

Practicing what you learn is one of the most important "do's".

I enjoy doing various activities in my free time.

I feel like I'm always doing nothing but doing chores.

You would do well to tell it to him in advance.

How do you do?

If you want to succeed, you need to work hard and do so consistently.

He showed great derring-do by jumping off the cliff.

I need to update my to-do list.

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