21．―Excuse me. Where is Mr. Green’s office?―It’s on floor. A．seven B．the seven C．the seventh D．seventh 【查看更多】

 

題目列表(包括答案和解析)

—Excuse me．Where is Mr. Green's office?

—It's on ________ floor．

A．seven                  B．the seven         C．seventh               D．the seventh

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