Sil vous plait expliquez moi ;)

Why johny and della they were in this car? 
how many people the police arrested you it yesterday? 
Where the victim lived it? 
What were they afraid of?

Il faut visiblement traduire les questions relatives à un texte qui a été étudié.

a) Pourquoi Johnny et Della étaient-ils dans cette voiture?
Why were Johnny and Della in this car?
b) Combien de personnes la police a-t-elle arrêtées?
How many people did the police arrest?
c) Où la victime habitait-elle?
Where did the victim live?
d) De quoi avaient-ils peur?
What were they afraid of?