One in five humans ___ access to safe drinking water by 2080.
A.is said lacking | B.is said to lack |
C.are said to lack | D.are said lacking |
相关知识点
推荐套卷
One in five humans ___ access to safe drinking water by 2080.
A.is said lacking | B.is said to lack |
C.are said to lack | D.are said lacking |