This is a new type of tracker with many(功能) . Put in the (电池),(按)the (按钮) and you can (掌握……的最新消息)the person in the (距离) . By using it, you can (确认) where someone is. This is our (账户).We can give you a (折扣） if you (点击) on our website and buy online. (启发) by real life,an (作家)wrote a book"(指南) and (窍门) for (居民的) Lives" . He had once met with an (尴尬的)case，which made him very(难过) and (经历)a (艰难的) time. Because he was not (熟悉的)with online shopping, he bought a (假的) product. The tracker was useless and even (戏弄) him. Another time someone put a (特殊的)tracker under his car, and he became the (目标) of (盗窃) .

No one is sure how many Americans belong to reading groups called book clubs. Yet ( publisher ) and bookstores report that more and more people throughout the United States are joining (they).

Most of the clubs work the same way. Members read the same book at the same time. Then they meet to talk about the book. Members may be friends or people  live near each other. Some Americans belong to reading groups on Internet. These groups include people around the world who communicate about books they read. They send electronic mails instead of gathering  (discuss) books.

Most reading groups study books by ( variety ) writers. However, some groups read the works of a single writer,(usual )one that has been famous for a while. Other groups may (name) for an important person in the works of a writer,a Sherlock Holmes Club. Members of these book clubs often are experts on their ( choose ) reading materials. One member of a Holmes reading group, for example, can identify almost every person in every Sherlock Holmes story.