2. 外语
  3. Which of the following pronouns is used as a formal subject?

Which of the following pronouns is used as a formal subject?

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问题 Which of the following pronouns is used as a formal subject?
选项 A、It was two o’clock in the morning.
B、It was rebuilt on the site of the old building.
C、It was difficult to remember the name.
D、It was sunny and warm most of the time.
答案C
解析 句子成分题。只有选项[C]符合条件，it为形式主语，真正的主语是不定式短语to remember the name。it作形式主语时并无实际语义，只是为了满足语法上的需要，平衡句子的结构，避免句子头重脚轻，它代替的是句子的逻辑主语，即真正的主语：不定式短语、动名词短语或主语从句。选项[A]中的it是句子真正的主语，表示时间；选项[B]是被动句的真正主语；选项[D]是句子真正的主语，表示天气。
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