Sure.I am not a bad

Sure.I am not a bad Er...i am not sure. I am not sure是什么意思 I AM NOT SURE YET? I am not sure it's saying a great deal. I wish that you ____ such a bad headache because I am sure t I'm sure I am not wrong in fact i am a little confuse,so many things i am not sure,b 7.I'm sure dirty,______?a.am I; b.am I; c..aren't I d.am not I am not sure what your talking i am not sure反义疑问句 I am not rally sure是什么意思呀?