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.