помогите вставить предлоги

1) ......... the two chairs. There's a lamp
2) ..........the table. There's a chair.
3) ..........the bookcase. There are some books.
4) ..........the bookcase. There's a lamp.
5)...........the piano. There' s a plant
6)...........the piano.

1) This is the two chairs. There's a lamp

2) This is the table. There's a chair.

3) This is the bookcase. There are some books.

4)This is the bookcase. There's a lamp.

5)This is the piano. There' s a plant

6)This is the piano.

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