阅读短文，用动词的适当形式填空。

     Hello!   My name's Mary Brown. 1    1       (be) a girl. I like(喜欢)red. I have(有) a red clock. What's this?  It      2     (be)my red pen.     3      (be)that my ruler?  Yes, it is. It is a red ruler. What     4       (be)

that? It is a jacket. Is it my jacket? No, it isn't. It__5     (be)Bob's jacket. It's white.