If there are _ trees,the air in our city will be _ fresher.A.less;more B.more;more C.more;much D.much;more

问题描述:

If there are _ trees,the air in our city will be _ fresher.
A.less;more
B.more;more
C.more;much
D.much;more

答案:C more修饰复数trees,much修饰比较级 fresher