Martha Fails the Course

After she sees a dog agility course on TV, Martha decides being an agility dog is just the thing for her. But when she tries out a course that Mrs. Clusky built for François, her agility dream becomes a nightmare. Now Martha won't even walk in public. How can Helen and Alice get Martha back on her feet? Vocabulary (E) agility, flexible, nimble, challenge, course (I) speed, smooth, quick, move, fall