The quote "more like a king, composed, farther and farther on" has a very important meaning. It is saying that you should, rather than be shy, or to not have pride in one's self, instead compose yourself "more like a king". It is saying that you should be proud, and that you should carry yourself in a way that makes others admire you, because you have pride in yourself.
Your correct answer is the fourth: 'After they rested a few days, the aliens revived sufficiently to explore.'
In Games at Twilight, the children were eager to go outdoors to play because it was 'hot and stuffy' inside the house, and they couldn't really play indoors. In those days, when you play, you play outside
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