2. 外语
  3. One of the requirements for a fire is that the material _______ to its burning temperature.

One of the requirements for a fire is that the material _______ to its burning temperature.

admin2013-03-23  64
问题 One of the requirements for a fire is that the material _______ to its burning temperature.
选项 A、is heated
B、will be heated
C、be heated
D、would be heated
答案C
解析 在与motion，order，plan，recommendation，proposal，idea，request，requirement，suggestion等名词相关的从句中，谓语要使用动词原形或“should+动词原形”。
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