Part A Lets learn,Unit 4 Then and now,You can read books in it. What is it,Its a _,library,Guessing game,There are teachers in it. They often work there. And you often hank in （上交） your homework there. What is it,Its a _,teachers office,You often sing songs in it,Its a _,music room,You often draws pictures in it,Its an _,art room,T : Whats this? Whose school? Whats the school like,Hello, Im Wu Yifan. Id like to introduce my new school . It is
