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____.