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老师,有情况

来源:学生作业帮 编辑:作业帮 分类:英语作业 时间:2024/05/21 18:50:39
it is five years since MY aunt ( )here。 A left Bhas left Cis left Dhad left
解题思路: since 句型
解题过程:
选择A项,离开的动作发生在过去。考查的是since句型:It is / has been + 时间段 + since + 主语 + 动词的过去式------ 从.....起多久了..... 例如:
It is three years since I came here. 我来这儿三年了。
另附since的其他用法:
1) since +过去一个时间点 (如具体的年、月、日期、钟点、1980, last month,half past six)。
  I have been here since 1989.
 
  2) since +一段时间+ ago
  I have been here since five months ago.

  3) since +从句 
  Great changes have taken place since you left.
  Considerable time has elapsed since we have been here.
孩子,明白了吗?祝开心,节日快乐!!

 
最终答案:略