Question

【题目】The air in the country is _____ than that in the city.

A. more cleanerB. much cleanerC. more cleanD. much clean

Answer 1

【答案】B

【解析】

句意：乡村的空气比城市的更干净。

根据介词than可知此处用比较级。clean的比较级为cleaner，much修饰比较级，故选B。