根据短文内容及所给提示，在文中的空白处填写一个正确的单词。

My name is Helen. Anna is my s. Look! This is （we） room. It's very /'taɪdɪ/. You can see two （bed）in the room. The red bed is Anna's. The blue bed is （my）. Umy bed, you can see a box. My old books in it. A desk is between（在……之间）the two beds. On desk you can see a telephone, a radio and two clocks. The radio is black. I found in the school library. Do you kwhose（谁的）it is?