Social attention should be paid ____ our earth from ____.
A.to preventing; being polluted | B.to prevent; polluting |
C.to prevent; being polluted | D.to preventing; polluted |
相关知识点
推荐套卷
Social attention should be paid ____ our earth from ____.
A.to preventing; being polluted | B.to prevent; polluting |
C.to prevent; being polluted | D.to preventing; polluted |