Помогите с номером девять

1 Either a a fox or a bee can fly Neither a dog nor a cat  can fly. Both  eagles and sparrows can fly. 2 Either  a computer or a wheel was invented in the 20th century Neither a wheel nor a bicycle were  invented in the 20th century Both  computers and  cell phones  were invented in the 20th century 3   Either   a solid fuel rocket or  a water  can be used as fuel for space rockets  Neither a petrol nor a gas can be used as fuels for space rockets Both solid fuels rocket or   liquid fuels rocket can be used as fuels for space rockets. 4 Either  a helicopter or  an umbrella can be called an aircraft Neither  parachutes nor  umbrellas can be called  aircrafts Both  planes and  helicopters can be called  aircrafts 5 Either America or  New Zealand was discovered by the English Neither America nor Alaska were discovered by the English. Both New Zealands and Australia were  discovered by the English. 6 Either Russia or Australia is  in Southern Hemisphere Neither Russia nor Germany are in Southern Hemisphere Both Australia and New Zealand are in the Southern Hemisphere. 7 Either  cooking or  counting is done by computers   Neither cooking nor dancing are done by computers. Both purchases and sales are done by computers 8   Either a star or a eclipse is  heavenly bodies.   Neither eclipses  nor constellationы are  heavenly bodies. Both stars and planets are heavenly bodies. 9) Either a parrot or a dog can imitate human voices. Neither  dogs nor  cats can imitate human voices. Both  parrots and  white whales can imitate human voices.