题目内容
【题目】If law and order ______, neither the citizen nor his family is safe
A. are not preserved
B. is not preserved
C. were preserved
D. have not been preserved
【答案】B.
【解析】此处主语 law and order 指的是同一个概念，所以谓语动词要用第三人称单数形式.
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题目内容
【题目】If law and order ______, neither the citizen nor his family is safe
A. are not preserved
B. is not preserved
C. were preserved
D. have not been preserved
【答案】B.
【解析】此处主语 law and order 指的是同一个概念，所以谓语动词要用第三人称单数形式.