Wstaw is / are / a / an / some.

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

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

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

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

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

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

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

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