Had the governments and scientists not worked together , AIDS-related deaths _______ since their highest in 2005.

当前位置：高中英语 / 单选题

1. (2016·浙江) Had the governments and scientists not worked together , AIDS-related deaths _______ since their highest in 2005.

A . had not fallen B . would not fall C . did not fall D . would not have fallen

微信扫码预览、分享更方便

使用过本题的试卷