the young man isn't what he----.he is kind to everyone.我知道填used to be,
问题描述：
the young man isn't what he----.he is kind to everyone.我知道填used to be,
答
the young man isn't what he used to be.he is kind to everyone
used to be 过去曾经是
那个年轻人不再是过去那样了,他现在对每个人都很好.