Now the air pollution in this city ( ) more and more serious with each passing day...A、to becomeB、becaneC、becomingD、is becoming

分类: 作业答案 • 2022-05-27 20:41:16

问题描述：

Now the air pollution in this city ( ) more and more serious with each passing day...
A、to become
B、becane
C、becoming
D、is becoming

答