Past Continuous Tense vs Simple Past Tense

Mary ________(have) dinner when Peter __________ (call) her.

Kelly and Fanny ________(watch) TV while their mother _______(clean) the kitchen.

Jayson _______(read) books at 11:00 p.m. last night.

_______ your aunt _________(cook) when the fire _________(happen)?

Mable and Gigi _______(wash) the dishes when their father ______(come) home.

We _______(play) tennis when Andy ______(hurt) his ankle.

When I _______(walk) into the room, everyone in the room ______(work).

I ______(wait) for the bus when the accident ______(happen).

The children _______(ride) bikes when we _______(hear) the noise.

Leo ________ (walk) the dog when he ________(see) the robbery.