'a' is correct, As 'valuable ' is a polysyllable word,' the most' has to be used to form the Superlative degree
Positive relationships in schools are central to the well-being of both students and teachers and underpin an effective learning environment. There is now a wealth of research on the importance of connectedness in schools and on the specific qualities of in-school relationships that promote effective education.
The answer is: dubitāre .
<em>Dubitāre </em>in Latin means to doubt, question, hesitate or waver in opinion.
Considering the rest of the alternatives, <em>douten </em>comes from Old French and signifies to dread, fear or be afraid. It is an obsolete word nowadays. As regards <em>douter</em>, it is a French transitive verb that means to hesitate or to doubt.
Giving into greed can cause you great misery. The men had received treasures. If they had been satisfied with that, they could have returned home to Ithaca victorious and wealthier. Because of their greed, many did not return home at all.
