Помогите с английским языком

Я знаю только немецкий

1. The zoos in their country are excellent.
2. We could see the white cliffs of Great Britain in the distance.
3. Passers-by often hear his cries for help.
4. They have cooked 5 wonderful peach pies.
5. The theory describing the space-time properties of physical processes is Einstein's most famous theory.

The zoos in their country are excellent.

We could see the white cliffs of Great Britain in the distance.

Passers-by often hear his cries for help.

They have cooked 5 wonderful peach pies.

The theory describing the space-time properties of physical processes is Einstein's most famous theory.

The zoos' in their country are excellent.
We could see the white cliffs' of Great Britain in the distance.
Passers'-by often hear his cries for help.
They have cooked 5 wonderful peach pies'.
The theory describing the space-time properties of physical processes is Einsteins' most famous theory.