题目内容
AIDS is said____the number one killer of both men and women over the past few years in that poor area, where no medical services are available.
| A.to be | B.to have been | C.being | D.having been |
B
解析
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题目内容
AIDS is said____the number one killer of both men and women over the past few years in that poor area, where no medical services are available.
| A.to be | B.to have been | C.being | D.having been |
B
解析