Помогите вставить слова в пропуски!Задание: Complete with too much, too many

Помогите воткнуть слова в пропуски!
Задание: Complete with too much, too many or (not) enough.
Example:
Theres too much pollution in my part of Britain because there are too many factories.

1. We need to go shopping. There isnt _____ tea and there arent _____ biscuits.
2. _____ people live in the city, so the cities are very crowded and not _____ people live in the country.
3. Ive got _____ homework and not _____ time to do it.