hiking is_great fun ,you can get close to _and take exercise at t_英语解答

hiking is_great fun ,you can get close to _and take exercise at the same time .
A,a;the B,a;/ c,/;the D,/;/

人气：348 ℃　时间：2020-05-09 02:36:38

解答

D 后面一个是空后面少了nature吧,nature前无冠词
前面fun是不可数名词,不能加a