Bonjour
a- She was talking on the phone when she heard the noise.
b- The murder happened when I was working in the room next door.
c- The ceremony was taking place when Sherlock interrupted it to check one last thing on the dead body.
d- The body disappeared while the policemen were looking for some piece of evidence.
e- The musicians were playing when the bombs exploded.
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preterit BE + v-ING = action qui était en train de se produire
preterit simple = action passée soudaine
bonne soirée ☺☺☺
