完形填空。
In the past(过去), most girls never(从不) ______ to school. They helped on the farm or cooked at home for their families. People didn’t have healthy food. They knew less about medicine. They ______ live very long.
There were no ______. People went to work on foot or by bike. So they did more exercise. Now, many people drive cars. They ______ lazy(懒惰的).
In the past, the family was very big. They lived in a small house. They ______ on the fire(火). Now, there are many tall buildings to live in. Life is better than it was in the past, isn’t it?
1.2.3.4.5.