Choose the correct item.

• Группы
  • Past Simple
  • Past Perfect Continuous
  • Past Continuous
  • Past Perfect
• Варианты
  • at 5 o'clock yesterday
  • when
  • before
  • last night
  • before
  • already
  • by
  • how long
  • while
  • after
  • a month ago
  • yesterday
  • never
  • when
  • all day/night/morning
  • as
  • in 1988
  • since
  • by the time