第1个回答 2009-09-04
Sorry, it's my fault to leave you alone本回答被提问者采纳
第2个回答 2009-09-04
Sorry for not responsing you when you talked to me.
Sorry, I wan not polite when you talked to me last time.
第3个回答 2009-09-04
I'm so sorry.I shouldn't ignored you.
第4个回答 2009-09-04
Sorry ,I shouldn't have ignored you .
第5个回答 2009-09-04
I'm sorry to not notice you