Câu hỏi:

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At the age of 40, Tom Bloch was the head of H & R Block, a huge company that helps people prepare their tax forms. He was very successful. Although Bloch earned a lot of money, he wasn’t very happy. He spent too much time at work and didn’t have enough time to spend with his family. Suddenly, he left H & R Block and became a teacher in a poor neighborhood. “I wanted to help people who didn’t have the opportunities I had,” Bloch explained.

            Learning to control the students was hard at first. But the rewards – helping children and hearing students say he’s their favourite teacher – are great. And Bloch is able to spend more time with his family.

Tom Bloch’s company operated in______.