Ответ:
1. There is a car in the city.
2. There is a cup on the table.
3. There is a pen in the bag.
4. There is a bike at the door.
5. There are some ducks in the lake.
6. There are some apples on the table.
7. There are some parks in the city.
8. There is some milk in the cup.
9. There is some meat on the plate.
10. There is some tea in the cup.
11. There is an egg in the box.