What did you drink at Christmas?
answer
What did you do at Christmas?
answer
Were you ill at Christmas?
Yes, I was. / No, I wasn't.
Did you have a party?
Yes, I did. / No, I didn't.
Did you eat a lot of chocolate?
Yes, I did. / No, I didn't.
Did you go skiing?
Yes, I did. / No, I didn't.
Did you have a stomach-ache?
Yes, I did. / No, I didn't.
What did you eat at Christmas?
answer
Did you drink hot tea?
Yes, I did. / No, I didn't.