Question

【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

Answer 1

【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。句意：如果法律与秩序不被保护，公民和他的家庭都不会安全。故选B项。