look at the underlined words in these sentences. Which is right?

1.i'm going to buy some right) new shoes (shoes is right)

2.They are going to buy some new chair\chaus

3.They are going to buy some new furniture/furnitures.

4.He's got big blue eye/eyes.

5.He's got short fair hair/hairs.

6.The tourist guide gave us some information/informations abou the town.