1. Does Jack like eating hamburger? => Yes, he does

2. Do you get up early on Sunday's? => No, I don't

3. Do the students always work hard for the exam? => No, they don't

4. Does the train leave at noon every day? => Yes, it does

5. Does he often play the guitar? => No, he doesn't

6. Do they take a taxi to school every morning? => Yes, they do

7. Do Anna and Daisy visit their old teachers on winter holidays? => No, they don't

8. Does the water boil at 100 degrees Celsius? =>Yes, it does

=> Do + số nhiều

=> Does + số ít