What did you do?(必背)
I finished my homework yesterday.
The boy went to a restaurant.
The Sawyers lived at King Street a year ago.
Did you finish your homework yesterday?
Did the boy go to a restaurant?
Did the Sawyers live at King Street a year ago?
I did not finish my homework yesterday.
The boy did not go to a restaurant.
The Sawyers did not live at King Street a year ago.
Yes, I did. / No, I didn't.
Yes, he did. / No, he didn't.
Yes, they did. / No, they did not.
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