Помогите сделать только 5 номер, через 15 минут занятие, а я ничего не сделала(

1) There are three potatoes on the table 2) There aren't pupils in the classroom 3) There's a lemon on the plate 4) There aren't cars in the street 5) There is one bottle of Coca-cola in the fridge 6) There is a pencil-box in the school-bag 7) There are two women in that car  8) There is a nice kitten on the chair 9) There is a rose in the beautiful vase