摘要： AIDS is said the biggest health to people in that area over the past few years. A.that is B.to be C.that it has been D.to have been
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AIDS is said _____ the biggest health to people in that area over the past few years.
[ ]
A. that is
B. to be
C. that it has been
D. to have been
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B. to be
C. that it has been
D. to have been
AIDS is said the biggest health to people in that area over the past few years.
A.that is B.to be C.that it has been D.to have been
查看习题详情和答案>>