contestada

Read each sentence and fill in the blank with the right negative tu command conjugation of the verb between parentheses.
1. No (limpiar) la cocina.
2. No (mirar) esa pelicula.
3. No (comprar) ese libro.
4. No (estudiar) negocios.
5. No (abrir) la ventana.
6. No (escribir) una carta.
7. No (creer) lol que the dicen.

I have done this lesson 5 times and can't get any of them right. Thank you for your help.