I didn't go to New York City.
Did you go to New York City?
Yes,I did.
No,I didn't
I wasn't at home last Sunday.
Were you at home last Sunday?
Yes,I did.
No,I didnt
We didnt stay at the summer camp for two days.
Did you stay at the summer camp for two days?
Yes,we did.
No,we didn't.
She didnt study for exams.
Did she study for exams?
Yes,she did.
No,she didnt.
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