It does no one any good if they cheat on Accelerated Reader tests. They are to assess where the reader is in the learning curve. The reader should read the material and answer the questions without cheating.
yupp, Huck Finn is the sequel to Tom Sawyer. However, in The Adventures of Huckleberry Finn, Huck himself tells the reader that the book can stand on its own even if you haven't yet read The Adventures of Tom Sawyer.
The questions of Accelerated Reader tests are copyrighted and not allowed to be posted here. Read the book and write a chapter summary for each chapter. Read over your chapter summaries and you will pass the test.