The traditional American Thanksgiving Day celebration goes back to 1621. In【61】year a spec

ial feast was prepared in Plymouth, Massachusetts. The colonists who had【62】there had left England【63】they felt【64】of religious freedom. They came to the【65】land and faced difficulties in coming【66】the ocean. The【67】which carried them was【68】the Mayflower. The North【69】was difficult to travel. There were bad storms. They were【70】in learning to live in the new land by the Indians who【71】the region. The Puritans as they were called, had【72】to be thankful for. Their【73】practices were no longer a source of【74】by the government. They learned to【75】their farming habits to the climate and soil. When they【76】the fourth Thursday of November for their Thanksgiving celebration, they invited their neighbours, the Indians, to join them in【77】and a prayer of gratitude for the new life. They recalled the group of 102 men, women, and children who left England. They remembered their dead who did not live to see the【78】of Massachusetts. They reflected【79】the 65 days' voyage which【80】their strength.

(61)

A．this

B．some

C．a

D．that