用方框内所给词的适当形式完成下列对话，其中有两个单词为多余选项。
A：Lucy !. Where ____1___you?
B：I'm Here，in my bedroom.
A：What are you doing?
B：Oh，I'm___2__my room. It's dirty.
A；Where's your sister?
B：She's on the ___3____.
A：What is she doing there?
B：She's ____4___a kite with her classmate, Chen Jie.
A：Come here,dear. I need you help.
B：OK. I'm___5____.
