Write out these sentences in the negative passé composé. You need to end the sentence with a period or it will be marked as incorrect. You need to include the ne...pas in each sentence. Also, pay attention to what type of article comes after the past participle. Remember if the article that follows is un, une, or any form of de, you need to change the article to the appropriate negative form.
nous/ finir tes décorations
Pierre / nettoyer la maison
tu / ranger le salon
je / louer un DVD
vous / choisir la musique
nous / apporter la chaîne hi-fi
elles / chercher des sodas
vous / acheter des pizzas
elle / inviter des copains
on / fêter toute la journée (toute la journée means all day long)