2. 职称英语
  3. People have proved______to be true that the heat we get from coal and oil comes

People have proved______to be true that the heat we get from coal and oil comes

游客2023-11-04  92
问题 People have proved______to be true that the heat we get from coal and oil comes from the sun.
选项 A、that
B、it
C、this
D、/
答案 B
解析 考查it的用法。it是形式宾语，that从句是真正的宾语。
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