We should play a part in ______ the earth.A．SaveB．to saveC．savingD．saved
题型：不详难度：来源：
We should play a part in ______ the earth.| A．Save | B．to save | C．saving | D．saved |
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答案
| C |
解析
试题分析：句意：我们应该在挽救地球方面起很大的作用。play a part in doing sth.在做某事中起着很大的作用。 故选C。 |
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