It is nine o'clock on Sunday evening.Anna isn't listening to her favorite pop music.Instead，she is reading a book called The Call of the Wild.For one thing，Ms.Woo，her teacher asked her to write a report about the book.For another，the book is so wonderful that she can't wait to finish it.

The main character of the book is a dog called Buck.He lives happily in California with his owner Judge Miller.But some people found gold in Canada and they want big and strong dogs to work in the snow.So someone steals Buck and sells him as a sled（雪橇） dog.Soon Buck comes to Canada. Hemeets many difficulties and he has to learn to take care of himself.Buck becomes the lead dog finally.Later，Hal becomes Buck's new owner.Hal is a bad man and often beats Buck.Luckily，Buck is saved by a kind man John Thornton.However，some people kill John...

（1）What does Anna think of The Call of the Wild？（根据短文内容回答问题） 　 　

（2）Who wrote the book The Call of the Wild？（根据短文内容回答问题） 　      　

（3）How many owners of Buck are mentioned in the passage？

（根据短文内容回答问题） 　      　

（4）In the passage，the underlined word "He" refers to 　 　.

（5）What do you think may happen to Buck next？（不超过20个词）