2. 外语
  3. Focused training will also play a role in enabling records ______ broken.

Focused training will also play a role in enabling records ______ broken.

admin2013-12-13  57
问题 Focused training will also play a role in enabling records ______ broken.
选项 A、be
B、to be
C、being
D、to have been
答案B
解析 非谓语动词题。enable后跟不定式，同时不定式动词和其修饰的名词records之间是被动关系，故用不定式的被动形式，选项B正确。
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