составить правильные предложения.
Нужно

1. City is a place where live a many people.

2. There are sidewalks for people to walk on.

3. There are many lights in a city.

4. There are signs in a city traffic.

5. Often cities are polluted.

6. Usually public transportation have cities.

7. You can work at a factory or an office.

8. -

9. Cities are exciting places.

PS. Извини, в 8 я не знаю что будет