Symbols & Holidays第 116 / 128 题
Which of the following is a national U.S. holiday?
a.Valentine's Day
b.Halloween
c.Groundhog Day
d.Thanksgiving
解析
Thanksgiving is one of the nation's federal holidays, observed on the fourth Thursday of November. Other national holidays include New Year's Day, Independence Day, and Christmas. Valentine's Day and Halloween are not federal holidays.
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