2. 外语
  3. Most of us have come to realize that it is about time (that) we ______ effective measures to prevent all kinds of pollution.

Most of us have come to realize that it is about time (that) we ______ effective measures to prevent all kinds of pollution.

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问题 Most of us have come to realize that it is about time (that) we ______ effective measures to prevent all kinds of pollution.
选项 A、take
B、took
C、must take
D、shall take
答案B
解析 此题考点为虚拟语气句。本句意为：我们中大部分人已经开始意识到，该是采取有效措施防止各类污染的时候了。在It is about time that=It is high time that=It is time that后面的句子中，谓语用过去式，虚拟语气译成“该是…的时候了”。
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大学英语四级

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