题目内容：

请帮我看下面这几个英文句子对不对
i'm seeking to a good opportunity to invest in lear estate
an heath body is fundamantal to keep a nice mood
access to northern korea is imposible
the tuition of student in this schoull had been doubled the number last year
I doubled the number of sugar when i cook this cake
i give him a very surprise response
he has been charged for stealing by court