Past Simple & Past Continuous
We _________ ( make ) a pumpkin lantern when our friends ________ ( come ).
We WERE MAKING a pumpkin lantern when our friends CAME.
My friends ________ ( walk ) on the street when they _________ ( hear ) bats.
My friends WERE WALKING on the street when they HEARD bats.
I ________ ( relax ) on the sofe when the doorbell ________ ( ring ).
I WAS RELAXING on the sofa when the doorbell RANG.