In the United States there are, strict speaking, no national __1__
holiday, for each state must, through legislative enactment or __2__
executive proclamation, appoint the day which each holiday is __3__
celebrated. Congress and the president may establish legal holidays
for the District of Columbia and for federal employees throughout
the states and territories; and by long custom, days that receive
nationwide observation, such as Christmas, Thanksgiving, Labor __4__
Day, Independent Day, and New Year’s Day, are uniformly set __5__
apart by all states as legal, or public holidays. In 1968, federal __6__
legislation established Columbia Day as a legal holiday for the
District of Columbia and for the federal government beginning at __7__
1971. The law also provided begun in 1971 federal employees __8__
would be granted three-days weekends by observing Washington’s __9__
Birthday on the third Monday in February, Memorial Day on the
last Monday in May, Columbus Day on the second Monday in
October, and Veteran Day on the forth Monday on October. By
1971, most of the states also adopted the new dates. __10__參考答案及解析:
ct改為strictly
day改為holidays
因為原句的謂語動詞為複數are，所以holiday必須使用複數。另外no後面可以用複數也可以用單數。
h前面加上on
因為先行詞the day在關係從句鍾做狀語，還原回去應為：each holiday is celebrated on the day，所以必須加on。
vation改為observance
observation意思為“觀察，觀測”，observance則表示“遵守，慶祝”。
pendent改為Independence
獨立日的説法是“Independence Day”。
t改為aside
set apart 指“使分離，使分開”，語義不同，set aside表示“留出，保留”的意思。
改為in
n改為beginning
動詞begin和分句的主語federal employees的'關係是主動的，應此要用beginning。
e-days 改為three-day
用連字符連接起來的表示數量的名詞的前置修飾語的複數概念仍然是單數，如：
a million-pound banknote。
前面加had
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