Does that girl enjoy reading?
Yes, she does. // No, she does not/doesn't.
Do you go shopping every day?
Yes, I do. // No, I do not/don't.
Do you like swimming?
Yes, I do. // No, I do not/don't.
Does Paul work on Monday?
Yes, he does. // No, he does not/doesn't.
Do the policemen catch the thief?
Yes, they do. // No, they do not/don't.