A. IN B. FOR C. OF D. AT READ THE FOLLOWING PASSAGE AND CHOOS...

32. A. in B. for C. of D. at Read the following passage and choose the best answer : from 33 to 36 Books which give instructions on how to do things are very popular in the United States today. Thousands of these How-to books are useful : infact, there are about four thousand books with titles that begin with the words “ How to”. One book , may tell you how to earn more money, another may tell you how to save or spend it, and another may explain how to give your money away . Many How-to books give advice on careers. They tell you how to choose a career and how to succeed in it . If you fail, however, you can buy the book “ How to Turn Failure into Success”. One of the most popular types of books is one that helps you with personal problems . Why have How-to books become so popular? Probably because life has become so complex. Today people have far more free time to use, more choices to make, and more problems to solve. How-to books help people deal with more life .