1. 根据文章内容，完成下列题目。

    Thanksgiving Day is a holiday in North America.

    In September 1620, some English people sailed to America. (A) After two months, they landed a place named Plymouth, Massachusetts (普利茅斯，马萨诸塞州). (B) All summer long they waited for the harvests(收成), because their future life just depended on the coming harvest, (C) As a result, they had a great harvest, so they celebrated to thank God and Indians. Years later, American people celebrated Thanksgiving Day on the fourth Thursday in November every year.

    感恩节也是一个重要的家庭节日。People often travel across the country to be with family members for it. On the dinner table, the best and most popular food are roast turkey and pumpkin pie.

1. （1） 根据文章内容填空，每空一词。

   American people always with their family to celebrate Thanksgiving Day.

3. （2） 将“As a result, they had a great harvest, so they celebrated to thank God and Indians.”改写成时间状语从句。

   they had a great harvest，they celebrated to thank God and Indians.

5. （3） 将下列句子还原到文中A处、B处还是C处?

   These people began to plant with the help of local Indians in the first spring.

7. （4） 将文中画线句子译成英语。
9. （5） 回答问题：How often do Americans celebrate Thanksgiving Day?