注意：此页面搜索的是所有试题
题目内容
（信阳师范学院英语语音.）
19
[填空题,5分] ___________(多亏了)a series of new inventions, doctors and treat this disease successfully.
[填空题,5分] ___________(多亏了)a series of new inventions, doctors and treat this disease successfully.
参考答案