2. 外语
  3. We know the fact______the energy makes the cells able to do their work.

We know the fact______the energy makes the cells able to do their work.

admin2014-07-20  32
问题 We know the fact______the energy makes the cells able to do their work.
选项 A、that
B、which
C、what
D、such
答案A
解析
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专业英语四级

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