III．把下列各句改为复数形式：
1．This is a zoo．
_______________________________________
2．I am a good child．
_______________________________________
3．It is a GREedy wolf．
_______________________________________
4．He is drawing a mouse．
_______________________________________
5．There is a baby in the room．
_______________________________________
IV．选择填空：
（）1．What's ______ name，Peter？
A．he B．the boy C．the boy's
（）2．Look at ______ photo．Is it nice？
A．Alice B．Alice's C．Alices'
（）3．My brother is reading ______．
A．today's paper B．today of paper C．todays'paper
（）4．There are many pictures on ______ ．
A．the classroom 's walls B．the walls of the classroom
C．the walls in the classroom
（）5．That girl is Susan．She is ．
A．a friend my sister B．a friend of my sister
C．a friend of my sister's
