2. 职称英语
  3. The library is said (burn) ______ down in a fire ten years ago.to have been burn

The library is said (burn) ______ down in a fire ten years ago.to have been burn

游客2023-09-28  53
问题 The library is said (burn) ______ down in a fire ten years ago.
选项
答案 to have been burned
解析 不定式的完成式表示动作发生在主句谓语动词的动作之前，本句还表示被动。
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