56_56. The Flower-bed's Secret 花坛的秘密_清晰 480P

57_57. Lewis and Clark Reach the Pacific 刘易斯和克拉克到达太平洋_清晰 480P

55_55. TV's Value 电视的价值_清晰 480P

54_54. Frogs Longing for a King 渴望国王的青蛙_清晰 480P

53_53. Dialogue - Chinese Food 对话 - 中餐_清晰 480P

52_52. Computers Are Becoming More and More Popular 电脑越来越普及_清晰 480P

51_51. The Colorful World 多彩的世界_清晰 480P

50_50. A Flying Sail 一次飞航_清晰 480P

49_49. Aunt Frankie 姑妈弗兰奇_清晰 480P

48_48.Take Our Daughters to Work Day 带着女儿上班节_清晰 480P