the hifher the mountain is,the___(thin )the air is.用括号内所给单词的适当形式填空
问题描述:
the hifher the mountain is,the___(thin )the air is.用括号内所给单词的适当形式填空
答
thinner
the hifher the mountain is,the___(thin )the air is.用括号内所给单词的适当形式填空
thinner