根据对话内容，在空白处填入恰当的句子，使对话完整、通顺。

A: Good morning, Jenny．

B: , Eric．

A: Is this your ruler? I found it on the teacher's desk．

B: ．I lost it in the classroom．

A: What about those notebooks?

B：They're not mine．My notebooks are blue．But those are green．．

A: Who is Angela?

B: She is the newcomer(新来者)to our class．

A: ?

B: She is in the library．I can bring her notebooks to her．

A: Thank you．

B: ．