2. 外语
  3. AIDS is said ______ the number-one killer of both men and women over the past few years in that region.

AIDS is said ______ the number-one killer of both men and women over the past few years in that region.

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问题 AIDS is said ______ the number-one killer of both men and women over the past few years in that region.
选项 A、being
B、to be
C、to have been
D、having been
答案C
解析
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专业英语四级

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