As the world’s population _____ becoming ______, we have to do something to change the situation.
A.is, bigger and bigger | B.are, bigger and bigger |
C.are, more and more | D.is, more and more |
As the world’s population _____ becoming ______, we have to do something to change the situation.
A.is, bigger and bigger | B.are, bigger and bigger |
C.are, more and more | D.is, more and more |