The family in Britain is changing.The once typical British family headed bytwo parents has undergone substantial changes during the twentieth century.(1) _________________________________________________.By the year 2020, it is estimated that there will be more single people than married people.Fifty years ago this would have been socially unacceptable in Britain.In the past, people got married and stayed married.Divorce was very difficult, expensive and took a long time.Today, people’s views on marriage are changing. (2) _____________________________.Only about 60% of these couples will eventually get married.In the past, people married before they had children, but now about 40% of children in Britain are born to unmarried parents.In 2000, around a quarter of unmarried people between the ages of 16 and 59 were living together in Great Britain.Before 1960 this was very unusual.People are generally getting married at a later age now and many women do not want to have children immediately.(3) _____________________________________.The number of single-parent families is increasing.This is mainly due to more marriages ending in divorce, but some women are also choosing to have children as a single parent without being married.