I must apologize to you too. Replying you late. I have little knowledge about English and how much this has many applications. Hope you will understand. And forgive me .
Excuse me, I need you so much that you mail reply later because I didn't have knowledge of English only, and there is much work. hope you will understand and forgive me .
I have to apologize to you very much. The answer your letter slow because I didn't have the knowledge of the English language and the trapped behind this work is very much hope that you will understand and forgive me