Вставьте there is или it is . 1. fish in the fridge. 2. a pity you couldn't buy fish. 3. 8 o'clock . 4. nobody in the classroom. 5. difficult to learn the words. 6. a difficult word in this text. 7. something nice in this box. 8. nice to see you again. 9. a lot of snow in the forest. 10. snowing now. кто 15 : )

1)There is
2) It is
3) It is
4) There is
5) It is
6) There is
7) There is (it is) возможны оба варианта
8) It is
9) There is
10) It is

It is - указание состояния, положения
There is - указание того, что что-то (кто-то) находится в каком-то месте