译林版英语6A Unit4 Then and now知识点梳理(4)

　　on the Internet buy things from shops

　　at school from all over the world

　　on holiday look out of the window

　　go on make a sentence with ‘egg’

　　wait for the answer stick a photo of yourself

　　4、不定冠词an构成的短语:

　　an apple , an email, an e-books, an e-friend, an English lesson, an egg.

　　可以补充：an American, an answer, an angry teacher, an aeroplane,