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: 小题1:___________
Nick: Is my computer game on the table?
Mum: No, it isn’t.It’s on the bookcase.
Nick : Oh.小题2:___________ Are they on the bookcase, too?
Mum: 小题3:____________ They are on the chair.
Nick: Where is my pencil case?
Mum: 小题4:___________
Nick : OK.And where are my keys?
Mum: 小题5:__________
Nick: Oh, yes.Thanks, Mum.