Explanation: you have to take the verb and add: -é , ás, -á, -emos, -éis, -an. The choice depends on the person you refers to.
1- conservaré
2-contaminaran
3- cuidará
4- hará (irregular)
5- protegerás
6-pondremos (irregular)
Go onto Amazon and search for Alive (30th Anniversary Edition). It is only on DVD so you will have to tell your teacher its being shipped.
I think estufa makes more sense, because there are usually stoves in kitchens, as opposed to sofas and cars, and it's a better answer then a place to sit down.
Hope this helped!
B. aburrido
translation: the opposite of something funny is something ______
boring