ответьте на вопросы, следуя образцу, и запишите их. which is longer: a mile or a kilometer? a mile is longer than a kilometer. which is longer: an hour or a minute? which is bigger: a ship or a bus? which is longer: a sea or a river? which is more difficult: to go on foot or to go by train?
A ship is bigger than a bus.
A sea is longer than a river.
To go on foot is more difficult than to go by train.