题目内容

When the teacher came into the classroom, the students          .


  1. A.
    stop to talk
  2. B.
    stopped to talk
  3. C.
    stopped talking
  4. D.
    stop talking
C
试题分析:本题的从句为过去时,所以主句应用过去时的一种,故本题不选AD,本题的含义是当老师走进教室,学生们应该是停止说话,stop to talk指停下来说话的意思,而stop talking指停止说话,故本题选C。
考点:表示过去的时间状语从句和stop doing sth的使用。
点评:在英语中,应注意主从句的时态要一致,从句为过去时,主句要用过去时的一种。同时要注意stop to do 和stop doing的区别,前者表示停下来做另一件事,后者表示停止做某事,意思区分较大,注意区别。
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