题目内容
________ is terrible to see the ship sinking into the sea.
- A.It
- B.That
- C.This
- D.He
A
句意是：看到船沉入大海是非常可怕的。动词不定式短语to see the ship sinking into the sea是句子真正的主语，但因其太长，放置句首显得头重脚轻，因此用it作形式主语。
句意是：看到船沉入大海是非常可怕的。动词不定式短语to see the ship sinking into the sea是句子真正的主语，但因其太长，放置句首显得头重脚轻，因此用it作形式主语。
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