Must, could, must, must, have, must, have, been, should, have, must
You should know the context in a written piece
Answer: Behaviours that are considered to be inappropriate, concerning or threatening include: angry, aggressive communications (verbal or written) ... a noteable change in a student's behaviour that is cause for concern. stalking (repeated attempts to impose unwanted communication or contact)
Explanation:
Based on the given passage above, the value that the ancient Greek culture value is knowledge. The correct answer would be the second option. Based on the passage, it is mentioned that "he taught himself speech, and wind-swift thought" and also he is training himself for a life that would involve interacting with others. So the best choice would be "knowledge".
