问题
选择题
Once fighting_____ between the two villages and many people were killed.
A．broke out
B．was broken out
C．had broken out
D．had been broken out
答案
答案：A
考查时态.once 副词,曾经地意思.根据时间副词可知句子叙述的是过去发生的事情,故用过去时态.故选A.两个村子曾经爆发过冲突,许多人被杀了.