Прочитайте ниже текст. преобразуйте слова, напечатанные заглавными буквами в конце строк так, чтобы они грамматически и лексически соответствовали содержанию текста. b1: every year the world goes dark for one hour, the earth hour. the event is organised by the world wildlife fund. (nation) b2: at tourist destinations, in offices and private homes, lights are switched off for one hour at 8: 00 pm. (exact) b3: the idea is to show that our planet is in danger and it needs care and (protect) b4: it's to remain indifferent to changes in the climate which go on and on. (possible) b5: the earth hour is not about saving an hour's electricity. it's about realising that we live on a planet and need to look after it - not just for an hour a year but every day. (wonder) b6: the earth hour is a part of an education whose aim is to make people understand their responsibility to the planet.