Put the verbs into the correct tense (Simple Past or Past Progressive).
The receptionist welcomed the guests and asked (actions happening one after another = Simple Past) them to fill in the form.
The car broke down and we had (actions happening one after another = Simple Past) to walk home.
The boys were swimming while the girls were sunbathing (two actions happening at the same time in the past, emphasis on progress = Past Progressive) .
My father came in, looked around and told (actions happening one after another = Simple Past) me to tidy up my room.
As long as one group (Your answer: »prepared«) was preparing dinner, the others (Your answer: »was collecting«) were collecting (two actions happening at the same time in the past, emphasis on progress = Past Progressive) wood for their campfire.
While the parents (Your answer: »had«) were having breakfast, their children (Your answer: »was running«) were running (two actions happening at the same time in the past, emphasis on progress = Past Progressive) about.
Martha turned off the lights and went (actions happening one after another = Simple Past) to bed.
11 out of 15 answers are correct.