根据文意和首字母补全单词（共8小题，每小题1分，共8分）
The first p_________ （先驱者）crossed the Atlantic and arrived in America in the seventeenth century. At the b        they did not have enough food. The Native Americans taught them how to grow c_________ . They soon hadp________ of food to eat. Today, people living in the US remember the Native Americans and the pioneers at Thanksgiving. This f_________ is celebrated with a meala________ family and friends. Everyone helps l__________ the table. After the meal, they help wash the d_______.