I was having a meeting . A.on the two floor B.on the second floor C.at two storey D.in the second storey 1----5DCDBA 6----10CABCB 11-----15DBBAB 精練三 【查看更多】

 

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I was having a meeting 　　　　.

A、on the two floor　 B、on the second floor　

C、at two storey　　 D、in the second storey

 

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