1. Did you write the book ten years ago? \ Yes, i did.
2. Does she clean his room every day? \ No, she doesn't.
3. Do they sell food in this shop? \ No, they don't.
4. Do we often check homework? \ Yes. we do.
5. Does he close shops on Sundays? \ Yes, he does.
6. Do you make a lot of mistakes in your last English? \ No, i don't.