Question

4. There is/ are/ isn’t/ aren’t other families in the activity centre. Дам 100 баллов​

Answer 1

Ответ:

There aren't other families in the activity centre

Answer 2

The correct sentence would be:

"There are other families in the activity center."

You've used "are" to agree with the plural subject "families." So, there are other families in the activity center.