Поставьте общий вопрос к предложению и дайте краткий ответ :
2.The waiters are in the dining hall
3.The tables are set for dinner
4.The watermelon is juicy
5.The menu card is on the table
6.He is a good waiter
7.Our dinner was very good
8.Our table is in the corner

а краткий ответ

все...

1. Are waiters in the dining hall .?Yes , they are .2. Are tables set for dinner .?No, they aren't .3. Is watermelon juicy ?Yes , it is .4. Is menu card on the table ?Yes , it is .5. Is he a good waiter ?No , he isn't .6. Was our dinner very good ?Yes , it was.7. Is our table in the corner ?Yes , it is .