1) If antibiotics had been discovered in the 19th century, the death toll of the 1918 influenza epidemic a) might have been lower b) might had be lower 2) If airplanes hadn't been created, a) we might not have been able to travel to Europe. b) we might not had be able to travel to Europe. 3) If cars hadn't been built,  a) we might have been using horses. b) we might have been used horses. 4) If America hadn't been discovered,  a) Christopher Columbus might have not been famous. b) Christopher Columbus might have be famous. 5) If Hitler hadn't been born a) many people might have not been killed. b) many people might had been killed. 6) If the airplane hadn’t been invented in the early 1900s,  a) we would not have had the opportunity to see so much of the world. b) we will not had had the opportunity to see so much of the world. 7) If the airplane hadn’t been invented in the early 1900s,  a) we would not have had the opportunity to see so much of the world. b) we will not had had the opportunity to see so much of the world. 8) If dinosaurs hadn’t been made extinct,  a) the world would not have evolved to where we are today. b) the world would not had evolve to where we are today. 9) If written language had not been developed thousands of years ago,  a) people would had rely on oral communication b) people would have had to rely on oral communication

Passive Past Unreal Conditional Quiz

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