题目内容

句型转换

His friend had already posted the photos for him. (变为否定句)

His friend ________ ________ ________ the photos for him ________.

答案:
解析:

had, not, posted, yet


提示:

  解题点拨

  过去完成时的否定形式是直接在had的后面加 not, already应变成yet位于句末.


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