问题详情:
This medicine millions of people's lives since it was put into use.
A.is saving B.will save C.has saved D.had saved
【回答】
C
知识点:动词时态
题型:选择题
问题详情:
This medicine millions of people's lives since it was put into use.
A.is saving B.will save C.has saved D.had saved
【回答】
C
知识点:动词时态
题型:选择题