Question

You need a (n)……………………… to tell you how to use a new piece of equipment.

Answer 1

Respuesta:  1)You need a computer to tell you how to use a new piece of equipment.

You need a computer to tell you how to use a new piece of equipment.

Explicación: La tienes con "Un" y con "Una" espero te funcione no soy muy buena en ingles