It means exactly what it says...to write about what you know. If you know about something than you'll have more to say and have an opinion. If you don't know about a subject...there's less to say.
<span>the correct answer is He does not know all of the grammar rules in English. and His first language is not English.
</span>
Makhaya ran from South
Africa, he did not want to start a family there because of how people were treated. they did no have
freedom or their rights were not guarantee. <span>
<span>Due to what he suffered in his country, now he is a refugee
and he is not able to trust anyone. But this conditions changes because he
means well to other people in Golema Mmidi so he starts to be social and help
them,</span></span>
