Can you imagine  keeping an alien  dog as a pet? This is what happens in CJ7--a wonderful movie made in China. Maybe some of you saw it. It came out in January, 2008. The movie is about a poor man Ti, his son Dicky and their alien dog CJ7. Dicky, a 10-year-old boy, lives a poor life with his father Ti, a worker. One day,his father finds a ball in the trash  and he gives it to Dicky. The ball becomes a cute alien dog. It's a small dog with big eyes and green hair. It can talk and do magic . Soon the dog comes to love Ti and his son. It goes to school with Dicky. It makes him laugh, but it makes trouble, too. When Ti falls off a building and dies, CJ7 saves his life. Because the dog loses all its power , it becomes a doll. But Dicky still wears the dog around his neck. He hopes that CJ7 will come back to life one day. This passage tells us CJ17 can   _  .
help do some housework talk and do magic sing and dance help Dicky do homework