题目内容：

根据对话内容及方框中所给的句子补全对话。有一项是多余选项。

Nick: Mum!

Mum: 1.___________

Nick: Is my computer game on the table?

Mum: No, it isn’t．It’s on the bookcase.

Nick : Oh．2.___________ Are they on the bookcase, too?

Mum: 3.____________ They are on the chair．

Nick: Where is my pencil case?

Mum: 4.___________

Nick : OK．And where are my keys?

Mum: 5.__________

Nick: Oh, yes．Thanks, Mum.