讀句子，選詞填空。
library，teachers' office，computer room，playground，music room
（1）After class，my teacher goes to the

teachers' office

teachers' office

.
（2）There are lots of books in the

library

library

.
（3）There are 30 computers in the

computer room

computer room

.
（4）After school，we go to the

music room

music room

to sing.
（5）—Where is Tom？—He is in the

playground

playground

.He is playing football.