2. 外语
  3. If only man had been a bit less greedy, more animal species ______.(或许不会灭绝了)。

If only man had been a bit less greedy, more animal species ______.(或许不会灭绝了)。

admin2010-03-26  39
问题 If only man had been a bit less greedy, more animal species ______.(或许不会灭绝了)。
选项
答案might have avoided extinction
解析 If only意为“要是，但愿”，引导虚拟语气，用过去完成时表过去或已完成。
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大学英语六级

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