Have I chosen the right words? The space age 33 commenced in October 1957 with the launch of the spacecraft Sputnik. 33. 1) set out 2) initiated 3) set off 4) commenced Both spacecraft were totally 34 destroyed when re-entering the Earth’s atmosphere. 34. 1) broken down 2) destroyed 3) demolished 4) damaged These results provided scientists with important medical data which 36 expanded their knowledge regarding the effects of the outer space on living beings. 36. 1) expanded 2) enlarged 3) multiplied 4) build up