(Simple Past or Past Progressive). While Tom (read) , Amely (watch) a documentary on TV. Marvin (come) home, (switch)

While Tom was reading, Amely was watching a documentary on TV. Marvin came home, switched on the computer and checked his emails. The thief sneaked into the house, stole the jewels and left without a trace. Nobody was listening while the teacher was explaining the tenses. While we were doing a sight-seeing tour, our friends were lying on the beach. He woke up and looked at his watch.