2. 外语
  3. If the law and order______, neither the citizen nor his property is safe.

If the law and order______, neither the citizen nor his property is safe.

admin2012-06-19  42
问题 If the law and order______, neither the citizen nor his property is safe.
选项 A、are not preserved
B、have not been preserved
C、were not preserved
D、is not preserved
答案D
解析 本句意在陈述一项事实，所以应采用一般时，law and order是习语，意为“治安”，抽象名词，表示一个概念，用作单数。
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