2. 职称英语
  3. Not having given a written permission, he had to write another letter to the pre

Not having given a written permission, he had to write another letter to the pre

游客2023-12-30  7
问题 Not having given a written permission, he had to write another letter to the president of the university.
选项 A、Not giving
B、Not having been given
C、Having not given
D、Having not been given
答案 B
解析 此处考点有二：①“没有获得书面许可”发生在“继续写信给校长”之前，所以应使用完成时，即He had not been given a written permission；②将上句转换为现在分词作状语时，表示否定的not应放在现在分词之前，所以应为。Not having been given a written permission。
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