What does "it" refer to here?为什么要加to?去掉to可以吗？

What does “It” refer to in the last sentence What does “it” in the first paragraph refer to?翻译句子 What does it refer to here?为什么要加to?去掉to可以吗？ What does'a cold welcome 'refer 英语翻译what does a cold welcome' refer to? 英语翻译what does' a cold welcome ' refer to What does the underlined wordthemrefer to是什么意思? What does the underlined word some refer to? What does the expression swan song generally refer to What does 'a cold welcome 'refer to翻译下 refer to 是怎么理解? This is a cat.It is hers.问：What does the word It refer to?请用英文回答.要求标点和语法精准. What does it mean What does it means? what does it say What does it say? what does it say? What does it mean? what does it mean?为什么用does