I haven't heard any news from you about the certification
or
I haven't heard any news from you concerning the certification
or
I haven't heard any news from you in regards to the certification
29 maja 2015
2
0
0
Simply start with the subject pronoun. Leaving out the subject pronoun can be acceptable in informal emails, for example.
29 maja 2015
0
0
Nadal nie znalazłeś/łaś odpowiedzi?
Napisz swoje pytania i pozwól, aby rodzimi użytkownicy języka ci pomogli!