二级笔译题库/词汇与语法

The human beings have polluted the environment seriously. It is time the United Nations must take some measures.

  • A take
  • B taking
  • C to take
  • D took
参考答案: D
解题思路: 结构应用。本句考察的是虚拟语气结构。It is(about/high)time that…句型用虚拟语气,其谓语部分用一般过去时,因此D为答案。>>>立即刷题