Réponse :
They were surfing on the internet when the computer broke down .
What (...) evening ?-> He was meeting his friends at 8 PM and they watched a football match .
She was eating (...) came in, she asked .
I losed (...) was driving (...) phoned .
I was learning (...) was playing (...) was listening .
Explications :
Quand l'action est longue et qu'elle est interrompue c'est du be + v-ing .
Quand l'action vient interrompre l'autre action c'est du prétérit .
