A-A+
The military operations ______ yesterday were
问题详情
The military operations ______ yesterday were targeted at the military installations.
A．propelled
B．commenced
C．plagued
D．modulated请帮忙给出正确答案和分析，谢谢！
参考答案
正确答案：B
解析：空格所在部分的意思为：昨天——的军事活动……。将各选项代入，只有commenced“开始；开始运营”符合题意，因此本题选B。
