推荐回答（1个）
1,Students should take part in the social activity from which they can obtain developing experience.
2,Now many countries are all founding national parks where animals and plants can be protected.
3,We sent an artificial satellite again which was published in today’s newspapers.
4,We live in an era which is full of informations and when we can more easily get information than any other previous time.
5,The award will be given to the author whose story is the most imaginative.
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