Did he eat a lot yesterday?
Yes, he did, / No, he didn't.
Did you wash the dishes yesterday?
Yes, I did. / No, I didn't.
Did she sleep early yesterday?
Yes, she did. / No, she didn't.
Did they watch TV last night?
Yes, they did. / No, they didn't.
Did the dog swim last summer?
Yes, it did. / No, it didn't.
Did he listen to music last Friday?
Yes, he did. / No, he didn't.