You can respond in the past with short answers to yes/no questions. You must use the aixiliary in the past DID.
Yes, I did, or No, I didn't.
NOW ANSWER THE FOLLOWING QUESTIONS: WRITE YOUR ANSWERS IN THE COMMENT BOX.
1. Did you do your homework last night?
2. Did you have cereal for breakfast this homework,
3. Did you bring a pen and a pencil with you?
4. Did you watch the news yesterday?
5. Did you watch this video completely?