Помогите по англискому надо воткнуть и

3)Did you set the tables? Yes,I did.
4)Have the waiters tided the kitchen? Yes,they have.
5)Does the chef come half past four ? Yes,he does.
6)Did he prepared the food? No,he did not
7)Does the restaraunt open at seven o clock ? Yes,it does
8)Do many people eat here? No,they do not
9)Does the restaraunt  close at one o clock? No,it does not