删除：把多余的词用斜线（\）划掉。
修改：在错的词下划一横线，并在该词下面写出修改后的词。
注意：1．每处错误及其修改均仅限一词。
2．只允许修改10处，多者（从第 11处起）不计分。
Many holidays are celebrate only in the United States. Americans celebrate their independent from Britain on July 4. Memorial Day, celebrated on the last Monday in May, honors those which have died in military service. Labor Day, observed on the first Monday in September, is in order celebrate the country's workforce. Thanksgiving, another distinctive American holiday, falls on the four Thursday in November or dates back to colonial times to celebrate the harvest. Presidents' Day, mark the birthdays of George Washington and Abraham Lincoln, was a federal holiday that occurs on the third Monday in February. The contribution of veterans (老兵) are honored on Veterans' Day, observed on Nov. 11. The contributions of civil rights leader, the Martin Luther King Jr. , are remembered on the third Monday in January.
