Choose the right words to complete the sentences.

Choose the correct option.

[Do|Does|Don't|Doesn't] you go to the supermarket on Saturdays? — No, I [do|don't|does|doesn't].

[Do|Does|Don't|Doesn't] Catherine sing in a band? — No, she [do|does|don't|doesn't].

[Do|Does|Don't|Doesn't] you study German? — No, I [do|does|don't|doesn't].

[Do|Does|Don't|Doesn't] your brother eat a lot of vegetables? — Yes, he [do|does|don't|doesn't].