I always do my best.

I have a lot of to-do's to complete today.

I enjoy doing yoga every morning.

I had to make do with what I had.

What does your remark have to do with the subject we are talking about?

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

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

I have much to do with the success of this project.

How do you do?

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