What does the pronoun it refer to in the sentence: Once you find a book
in the catalogue, how do you ind it
in the Mbrary?
A)
the library
the catalogue
B
a book
you

It = book

The question is how do you find it in the library? Then we have to ask, "What are we looking for in the library." We are looking for the book that we are talking about.

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in our power to make a world happy - to teach mankind the art of being so - to a character hitherto unknown - and to have, as it were, a new creation intrusted to our hands, are honors that command reflection, and can neither be too highly estimated,