有关英语定语从句的问题！！！！！！！！！！！！

Question

Eric set sail once again, this time with 25 ships, of which only 14 made it to Greenland.

想知道先行词是哪一个呢？

Answer 1

Eric set sail once again, this time with 25 ships, of which only 14 made it to Greenland. 想知道先行词是哪一个呢？

先行词是25 ships
25艘船中只有14艘……

Answer 2

如果非要用which的话，就要用in which，因为事故发生在工厂“内”。

Answer 3

先行词是25 ships. 定语从句中的which指得就是25 ships.
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