2. 外语
  3. Primitive humans probably did not (deliberately cook) food until (long) after they had learned (to use )fire for light and (warm

Primitive humans probably did not (deliberately cook) food until (long) after they had learned (to use )fire for light and (warm

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问题 Primitive humans probably did not (deliberately cook) food until (long) after they had learned (to use )fire for light and (warm.)
选项 A、deliberately cook
B、long
C、to use
D、warm
答案D
解析
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