Three millon children under 15 are estimated ________AIDS across theworld in the past 20 years.A.catching B.having caugh

分类: 作业答案 • 2022-03-22 15:17:19

问题描述：

Three millon children under 15 are estimated ________AIDS across theworld in the past 20 years.A.catching B.having caught C.to catch D.to have caught

答

D 在过去的二十年已经感染了艾滋病,用现在完成时