Помогите составить 10 предложений зери зера

1) there is a cat in my room.

2) there are a lot of cars in Moscow.

3) there is a snack in my bag.

4) there are three women in the street.

5) there is a boy in the car.

6) there are two pencils on the table.

7) there is a problem.

8) there are two cups of coffee on the counter.

9) there is a mouse in the house.

10) there are two mice in the house.