2. 考研
  3. Medical researchers are painfully aware that there are many problems______(他们至今还没有答案).

Medical researchers are painfully aware that there are many problems______(他们至今还没有答案).

admin2010-12-05  98
问题 Medical researchers are painfully aware that there are many problems______(他们至今还没有答案).
选项
答案to which they still have no answers so far
解析
转载请注明原文地址:https://kaotiyun.com/show/KrZ4777K
0

考研英语一

相关试题推荐
随机试题
最新回复(0)