The verb SER and also the verb ESTAR will be a recurring theme and learning from the first class to the last day of Spanish. These verbs have levels of difficulty or specificity as the student progresses, so do not think that if you have an error in B2 in the use of the verb SER, it is because you did not learn it well. Surely it is because you are discovering some nuance of its use.
Match the expressions in the first column with their meaning.
Ser rico
Ser abierto
Ser bueno
Ser claro
Ser listo
———
Hacer bien las cosas
Ser inteligente
Tener mucho dinero
Ser extrovertido
Hablar de forma directa