问题
选择题
The US Army suffered a record 32 suicides in July 2011, the most ______ it began publishing monthly
figures in 2009. [ ]
A. since
B. when
C. while
D. though
答案
答案：A
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The US Army suffered a record 32 suicides in July 2011, the most ______ it began publishing monthly
figures in 2009. [ ]
A. since
B. when
C. while
D. though
答案：A