2. 外语
  3. The energy is______makes the cells able to do their work.

The energy is______makes the cells able to do their work.

admin2010-02-22  39
问题 The energy is______makes the cells able to do their work.
选项 A、that
B、which
C、what
D、such
答案C
解析
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专业英语四级

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