Answer Key
Exercise
Put the verbs into the correct form, present simple or past simple, active or passive...
- The letter [was mailed] a week ago and it [arrived]yesterday. (MAIL / ARRIVE)
 - Most of the Earth's surface [is covered] by water. (COVER)
 - I saw an accident last night. Somebody called an ambulance but nobody [was injured] so the ambulance [was not needed, wasn't needed] . (INJURE / NOT NEED)
 - Water [covers] most of the Earth's surface. (COVER)
 - I was born in Prague but I [grew up] in south Moravia. (GROW UP)
 - The park gates [lock] at 5:00 p.m. every day automatically. (LOCK)
 - Bill's parents [died] when he was very young. He and his sister [were brought up] by their grandparents. (DIE / BRING UP)
 - The company is not independent. It [is owned] by a much larger company. (OWN)
 - Where [were these photographs taken] ? In Greece? [Did you take] them? (THESE PHOTOGRAPHS, TAKE / YOU, TAKE)
 - The boat [sank] quickly but fortunately everybody [was rescued] . (SINK / RESCUE)