根据汉语提示完成句子
Politics is the only thing that __________ him __________(把…与…分开）his friends.
Flight ______________________________ (对……是自然的）birds.
Who ____________________(在……中主演）his latestfilm?
____________________________________________________________  (难怪）he is playing so happily. He hasalready finished his homework.
Those who __________ are surely __________ by all. (尊重别人的人一定会受到大家的尊重。）