Question

 I'm moving to the countryside because the air there is much fresher than________ in the city.

A. ones             B. one              C. that               D. those

 

Answer 1

【答案】

 C

【详解】此题考查代词的用法，指代不可数名词air用that，one 和the one指代可数名词单数，后者是特指那一个，ones（常用于the… ones）和those指代可数名词复数。