问题:
If there is ________ pollution, the air in our city will be ________ dirtier.
A.less; more
B.more; much
C.less; less
D.more; more
If there is ________ pollution, the air in our city will be ________ dirtier.
A.less; more
B.more; much
C.less; less
D.more; more
A.less; more
B.more; much
C.less; less
D.more; more
参考答案: