Question

they really enjoy the ____ air in the morning in the coutryside.

freshest
more fresh
fresh
much fresher

Answer 1

　　they really enjoy the fresh air in the morning in the coutryside.
　　可直译为“他们非常喜欢乡下早晨新鲜的空气”。
　　根据题目意思，那个空应该填fresh，意思是“新鲜的”.
　　fresh
　　[英][freʃ][美][frɛʃ]
　　adj.新鲜的; 新的; 淡水的; 无经验的;
　　adv.刚; 最新的;
　　n.开始; 新生; 泛滥; 淡水流;
　　例句：
　　1、I need a new challenge and a fresh start somewhere else.
　　我需要一个新的挑战，换个地方重新开始。
　　2、The air was fresh and for a moment she felt revived.
　　空气清新，有那么一会儿她感到恢复了活力。
　　3、I returned to the office, fresh from Heathrow.
　　我刚从希思罗机场回到办公室。

Answer 2

fresh

新鲜的

不明白可追问；如果对你有帮助，别忘了采纳和点赞哦！Thanks!
May you be happy everyday and make great progress !