2. 外语
  3. If early humans______as much as they did, they probably______to evolve into different species.

If early humans______as much as they did, they probably______to evolve into different species.

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问题 If early humans______as much as they did, they probably______to evolve into different species.
选项 A、did not move and intermingle... would continue
B、would not move and intermingle... had continued
C、had not moved and intermingled.. .would have continued
D、were not to move and intermingle.. .could have continued
答案C
解析 本题考查的是if条件状语从句中的虚拟语气。表示与过去事实相反的假设时，句子的构成为：从句谓语动词用“had+过去分词”，主句用“should(would，could，might)+have+过去分词”。例如：If it had not rained so hard yesterday, we could have played tennis．如果昨天没有下大雨，我们就能打网球了。据此可知，C项正确。
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