i have a dream 马金路德金著名演讲{我有一个梦想}
today is a good day
this is a pencil box
an是一个不定冠词,置于元音发音单词前
there is an apple on the table
there is an expensive book on my desk
i will be there after an hour
THE GREAT WALL is very famous in the world
happy new year
-the same to you
the book is very interesting