1) Mr. Green’s office is _____ the 26th floor.


You can take the lift here.


     A. at             B. in         


C. on             D. for


讲解图如下：


 


 


2）The 20th World Cup Opening Ceremony was held in Brazil


   ___ June 12th, 2014.


A. in             B. at        


  C. on             D. for


讲解图如下：