题目内容

Every possible means _____. However, nothing can _____ him dying of lung cancer.
[     ]
A. has tried; stop
B. have tried; keep 
C. has been tried; prevent
D. have been tried; stop
练习册系列答案
相关题目

违法和不良信息举报电话:027-86699610 举报邮箱:58377363@163.com

精英家教网