2. 外语
  3. Because of the complexity of the modern machine, most offices require secretaries ________.

Because of the complexity of the modern machine, most offices require secretaries ________.

admin2010-01-10  50
问题 Because of the complexity of the modern machine, most offices require secretaries ________.
选项 A、to have specified training
B、specified in traing
C、to train specifiedly
D、training specified
答案A
解析 动词require后面跟“宾语+to be”，不定式作宾语补足语。因此A为正确选项。
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