Help me !! Bonsoir,c’est des exercices de conjugaison en anglais

Bonjour

Conjuguer au past tense

They were working on a new rocket model when the project director entered the room.

She was exploring space when she met an alien.

We received an ur/gent message while the crew was preparing for lift of !

He was demanding more funding in a meeting when I rang him.

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Past simple => pour une action passée courte, terminée

Past continuous => pour une action passée qui était en cours, en train de se passer....

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Bonne soirée