First of all, there is, in some people, a moderate genetic predisposition to be happy, in other words, happiness (1)_______ in families.Đoạn văn37/67 First of all, there is, in some people, a moderate genetic predisposition to be happy, in other words, happiness (1)_______ in families. runsarrivesgoesdescendsGiải thíchChọn A