题目内容：

根据对话内容,运用方框中所给的句子选项补全对话。选项中有一项是多余的。（5分）

A: Excuse me.1.

B: No, it isn't. It's in the bookcase.

A: How about my books? 2.

B: No, they aren't. They are on the chair.

A: Oh, where's my pencil box?

B: 3.

A:4.

B: It's under the table. And your basketball is under the chair.

A: 5.

B: The keys? They're on the table.

A: Thank you very much.

B: You're welcome.

A. Are they in the bookcase, too?

B. It's on the sofa.

C. Where are mom's keys?

D. And where 's my schoolbag?

E. Is my computer game on the table?

F. They're under the desk.