所给词的适当形式填空。
（1）There are nine _____(butterfly) in the picture.
（2）They are ______ (Lin Ping) stamps. 
（3）I have a good friend. ______ (she) name is Mary
（4）----- Who ______ (be) on duty today?   
----- Lucy and Lily _______.
（5）Are ______ (this) your Japanese books?
（6）Are you in different ______ (class)? 
（7）The _____ (child) are ______ (talk) to their teacher.
（8）------ Does he ______ (live) in New York ？
------- Yes, he does.