Keita takes flak for rejecting Karen's invitation to the game club. For a moment, it looks like Keita had made the entire class his enemy, but Tasuku doesn't seem to want to board that bandwagon.
it's important to understand 
how conjunctions are used.
.من المهمّ فهم كيف تُستعمل أدوات الرّبط
es importante entender
cómo se usan las conjunciones.
es importante entender
cómo se usan las conjunciones.
Le plus important est de déterminer
à quel verbe ils se rattachent.
è importante capire come utilizzare le congiunzioni.
É importante entender como
as conjunções são usadas.
Прежде всего, вам следует запомнить, 
где и как их используют.