Use the correct reflexive pronoun. if no pronoun is necessary, choose the x. cuando lavo el coche, no uso detergente. se x me te

Cuando lavo el coche, no uso detergente. The correct answer is "X", no pronoun is necessary.

Explanation:

Cuando lavo el coche, no uso detergente. In English: when I wash the car, I don't use detergent. The reflexive pronoun would be necessary if the sentence was about something related to someone. For example: "cuando me lavo la cabeza, no uso mucho shampoo". This means: when I wash my hair, I don't use much shampoo. Here we must use a pronoun, otherwise the sentence would lack sense. And it could be another pronoun, depending on whose hair is it. For example: "cuando te lavo la cabeza, no uso mucho shampoo". Meaning: when I wash your hair, I don't use much shampoo.

de estos colores. sounds about right.