20. The rest of his life was devoted ___ pollution ___more happily .
A.to prevent , to live | B.to protecting , from living |
C.to protect , from living | D.to preventing , to live |
相关知识点
推荐套卷
20. The rest of his life was devoted ___ pollution ___more happily .
A.to prevent , to live | B.to protecting , from living |
C.to protect , from living | D.to preventing , to live |