Wstaw is / are / a / an / some.

There  --- are a some an is   --- are a some an is  swimming pool in the garden.

There  --- are a some an is   --- are a some an is  blocks of flats next to the house.

There  --- are a some an is   --- are a some an is  orange in the kitchen.

There  --- are a some an is   --- are a some an is  block of flats behind the house.

There  --- are a some an is   --- are a some an is  gate in front of the house.

There  --- are a some an is   --- are a some an is  big windows.

There  --- are a some an is   --- are a some an is  wall and a gate next to the house.

There  --- are a some an is   --- are a some an is  umbrella in the hall.