阅读下面短文，在空白处填入—个适当的词，或填入括号中所给单词的正确形式。

    Miss White comes into the classroom. She sees some school things on the (teacher) desk. There is a pencil box, a red pencil, two black (pen), a blue watch and orange notebook. Whose are they?

Miss White asks Tina, "Tina, is this (you) pencil box?" Tina says," Yes, it is. Thank you." "Are (this) your pens?" asks Miss White." No, they . They're (Lucy)," says Tina.

    Miss White goes to Lucy and says," Are they your pens, Lucy?" Lucy says, "Yes, they are. Thank you. ""What the red pencil? Is it (you), too?" Miss White asks. "No, it Isn't." says Lucy. "The watch and the notebook aren't mine, either(也).""Oh, I can put them the lost and found box," says Miss White.