i'm afraid the boy has some probles s___ such a hard maths pro
问题描述:
i'm afraid the boy has some probles s___ such a hard maths pro
答
problem后面应该有in吧,那么就应该是solving了
i'm afraid the boy has some probles s___ such a hard maths pro
problem后面应该有in吧,那么就应该是solving了