Linking words

Keeping a horse as a pet is very expensive. Feeding and maintaining one costs a lot of money.

Using public transport is easy and convenient. It is cheap.

Living in a big city is stressful.It can often be unhealthy.

Life in the future will be a lot different from how it is today. I don't think it will be exciting.

In ten years' time, cars will be easier to drive. They will be environmentally friendly.

Pollution level have decreased. The hole in the ozone layer hasn't become smaller.

In 2050 we will be using electric cars. People will be travelling to other planets.

By 2050 people will be living longer. There will be more poor people.

In the past the average lifespan was about fifty years. Many children had to work hard.

By 2050 there will be a cure for cancer. Scientists will make a breakthrough in medicine.