30 They are___ at home after walking along way A relaxing B relax C relaxed选哪个?顺便说一下原因

问题描述:

30 They are___ at home after walking along way A relaxing B relax C relaxed
选哪个?顺便说一下原因

C relaxed 形容词 放松的,悠闲的
这里如果还用 动名词,就跟后面的walking 有重复之嫌