Bonjour à tous aidez moi svp je ne comprends pas cet ex d'anglais c'est l'exercice 3

Bonjour,
Voilà la réponse

1. wear /don't 
2. are/watching/am watching
3. Do 
4.isn't shooting /is 
5. wants 
6. Does
7.  makes 

Exercice 3 : 

1. Extras often wear period costumes, don't they ?
2. What are you watching ? I'm watching a western.
3. Do you enjoy westerns ?
4. Spielberg isn't shooting a film right now, is he ?
5. No, but he wants to make a whodunnit soon ! 
6. Does he often make whodunnits ?
7. No, but he makes all kinds of films.