问题
选择题
We are short ______ energy and water ______ the overpopulation. |
A. of, because B. of, because of C. in, because D. in, because of |
答案
答案:B
We are short ______ energy and water ______ the overpopulation. |
A. of, because B. of, because of C. in, because D. in, because of |
答案:B