1.modern life is difficul 2.people can travel by by 3.travelling by a very fast way, but it is expensive. слова для справок: car,sea,air,plane,train,travelling вставьте нужные слова слова для справок вот там

1. Modern life is difficul without travelling.
2. People can travel by car, sea, air or by train.
3. Travelling by plane is a very fast way but it is expensive.