Unit4,Then and now,A. Lets talk,playground,library,computer room,garden,grass,gym,dining hall,school,stars,Can you see the stars during the day,Yes, I can,No, I cant,I can see stars at night,Do you know the name of this star,Its very easy,I can look it up on the Internet,look up 查阅,Internet 互联网,look it up on the Internet,look it up in the dictionary,look it up in the book,friend,star,I like the moon. One day Im going to visit the moon,moon,Canadians,Chinese,Americans,Who have been to the moon in
