関連ワード:  class 12 english ch 4 summary    class 12 english ch 4 summary in hindi    class 12 english ch 4 summary vistas    class 12 english ch 4 summary flamingo    class 12 english chapter 4 summary    class 12th english ch 4 summary    class 12 english chapter 4 summary bihar board    class 12 english chapter 4 summary pdf    class 12 english ch 4 rattrap summary    class 12 english ch 4 short summary