There is/are two armchairs in/on the living room

1.

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There is/are two armchairs in/on the living room.

2.

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There is/are a sofa behind/in front of the window.

3.

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There is/are a lamp behind/next to one armchair.

4.

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There is/are a table behind/next to the sofa.

5.

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There is/are some toys in front of/on the table.

6.

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There is/are two cats under/in the sofa.

7.

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8.

There is / There are
Единственное
число
Множественное
число
There is a cat.
There are dogs.
behind
in
in front of
on
next to
under