Exercise 3: Rewrite the sentence in PASSIVE VOICE Vietnam sent some aid to earthquake Japanese victims in 2014. * 1 điểm Heinrich Hertz discovered radio waves. * 1 điểm A tornado hit many houses and buildings. * 1 điểm We should plant more trees to prevent natural disasters. * 1 điểm Did the storm destroy the whole village? * 1 điểm They are going to organise a garden party to raise money for the victims of the flood. * 1 điểm Volunteers have given out food and blankets to homeless people. * 1 điểm