2. 外语
  3. If law and outer ______ not maintained, neither the citizens nor their properties are safe.

If law and outer ______ not maintained, neither the citizens nor their properties are safe.

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问题 If law and outer ______ not maintained, neither the citizens nor their properties are safe.
选项 A、were
B、are
C、is
D、was
答案D
解析 law and order法制，是一个整体概念，根据主谓一致原则，排除选项A和 B；又由于此句应用虚拟语气，故答案为D。
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