Past Simple vs. Past Continuous
While Tom __________ (read) , Amely __________ (watch) a documentary on TV.
While Tom was reading, Amely was watching a documentary on TV.
Marvin __________ (come) home, __________ (switch) on the computer and __________ (check) his emails.
Marvin came home, switched on the computer and checked his emails.
Nobody __________ (listen) while the teacher __________ (explain) the rules.
Nobody was listening while the teacher was explaining the rules.