By the year 2000, scientists probably______a cure for cancer.

admin2014-06-25  41

问题 By the year 2000, scientists probably______a cure for cancer.

选项 A、will be discovering
B、are discovering
C、will have discovered
D、have discovered

答案C

解析
转载请注明原文地址:https://kaotiyun.com/show/IHUC777K
本试题收录于: 英语题库普高专升本分类
0

随机试题
最新回复(0)