When he arrived at the hospital, he asked worriedly who was (operate) ______ on.

游客2024-07-06  14

问题 When he arrived at the hospital, he asked worriedly who was (operate) ______ on.

选项

答案 being operated

解析 本句考查了两个知识点,一是过去进行时,二是被动语态。operate on somebody表示对某人进行手术,当somebody提前作主语时(在本句中是who),operate on应该用被动形式。根据句意,operate on应该是过去正在发生的动作,所以应该使用其过去进行时态。
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