Only 16 percent of China’s area ____ covered with forests, so ____of us should protect trees.
A.are; every | B.is; each | C.is; everyone | D.are; each |
Only 16 percent of China’s area ____ covered with forests, so ____of us should protect trees.
A.are; every | B.is; each | C.is; everyone | D.are; each |