Copy, translate, and write the plural form for following singular nouns.

4.profesor 5.sofa 6.telefono 7.mujer 8.hombre 9.muchacho 10.tractor 11.raton 12.mapa 13.luz 14.pan 15.libro 16.arroz 17.sol 18.reloj 19.mar 20.flor

Example: león-lion-leones