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最佳答案：He trained very hard in school, so became an outstanding astronaut
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最佳答案：Add to acquire new energy.Expanding living space.Huge cost.Astronauts safety pro
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最佳答案：shot拍电影：shoot a film 这里用的是被动：be shot （shoot 的过去分词：shot)let 让 let sb do sth 让某人做某
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最佳答案：In memory of the great astronaut,it’s said that next year a film will be shot to
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最佳答案：1.The astronauts could do lmost anything when they lived in the Tiangong-1.2.It
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最佳答案：过去分词作状语,用在与逻辑主语成被动关系的时候,而此句中,Seen from the space ,the earth is a blue planet.ear
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最佳答案：1.The astronauts could do lmost anything when they lived in the Tiangong-1.2.It
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最佳答案：That’s one small step for a man,one giant leap for mankind原文如此
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最佳答案：1 He has been dreaming of becoming an astronaut exploring the mysteries of the u
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最佳答案：If you are an astronaut my future,I will have a good body,so,I always want exerc