Ключевые слова: active, adult, animal, border, breathe, breeze, canine, collie, countryside, cute, dog, dogs, exemplar, fast, field, free, freedom, fun, grass, green, happiness, happy, healthy, holding, meadow, mouth, nature, outdoor, outside, park, pet, playing, puppy, race, run, running, rural, sample, sheep, shepherd, specimen, spring, springtime, stick, summer, walking, wheat, white,