moon,earth,sun这些词加不加the

世上独一无二存在的东西前都要加定冠词“the”
其他需要加“the”的情况如下：
general words (definite)特指的时候
I've read a book on the life of Bill Clinton.
I like the flowers in your garden.
family names in the plural
The Smiths live in Chicago.
public buildings,institutions,means of transport (definite)公共场所,学校,交通方式
The school that Mandy goes to is old.
The bus to Dresden leaves at 7.40.
The round church in Klingenthal is famous.
names of countries in the plural; mountain ranges; regions
the United States of America,the Netherlands; the Highlands,the Rocky Mountains,the Alps; the Middle East,the west of Australia
groups of islands 群岛
the Bahamas,the British Isles,the Canaries
name with of-phrase; oceans; seas; rivers 海洋,河流
the Statue of Liberty,the Tower (of London),the Isle of Wight;
the Atlantic (Ocean);
the Mediterranean (Sea);
the Nile,the Rhine,the Suez Canal
months,days of the week (definite)特定的月、日、星期
I always remember the Monday when I had an accident.
The August of 2001 was hot and dry.
还有就是乐器前也要加“the”