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.