There is / are an apple in the fridge.
Is
There is / are pillows on the bed.
Are
Is / Are she finished with her homework?
Is
School isn´t / aren´t on the weekends.
Isn´t
There is / are two cats.
Are
There is / are a cake on the table.
Is
Is / Are there a book in your bag?
Is
There is / are a lot of flowers in the vases.
Are
Is / Are you finished with your homework?
Are
Is / Are there any chairs in the room?
Are
He is / are from Spain
Is
There isn´t / aren´t any sugar in my coffee.
Isn´t
They isn´t / aren´t going to work
Aren´t
How many dogs is / are in the park?
Are
There isn´t / aren´t any stars in the sky tonight.
Aren´t