Here are the completed sentences:

1. There isn’t **much** space in the hall.
2. There aren’t **many** boys at the prom.
3. We haven’t got **much** money.
4. We don’t usually take **a lot of** photographs when my family go on holiday.
5. It’s not good to drink **a lot of** fizzy drinks.
6. They didn’t smoke **many** cigarettes.
7. Kate doesn’t eat **much** bread, that’s why she’s so slim.
8. There are **a lot of** mountains in this part of my country.