Before joining the Department of Defense, Mr. Panetta ______ as director of the CIA from February 20

题目简介

Before joining the Department of Defense, Mr. Panetta ______ as director of the CIA from February 20

题目详情

Before joining the Department of Defense, Mr. Panetta ______ as director of the CIA from February 2009 to June 2011.  
[     ]
A. would serve        
B. served  
C. was served  
D. had been served
题型:单选题难度:中档来源:江苏同步题

答案

B

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