(A) Arrogance
The synonym of a word is a word with the same meaning. Effrontery means acting in a rude way, thus arrogance has the closest definition to effrontery and is the synonym.
It’s an adjective phrase modifying the student
Could you provide the sentance that the question is talking about? You could youse dictionary.com to look it up and see if any of the definitions it gives you corresponds to the way the word is used
Hi,
In the first sentence, the subject is ‘you’.
In the second one it is ‘I’.
In the third one it is ‘You’.
To find the subject in a sentence you should look at the verb and find the person/people/thing that make the action the verb describes.
Hope this helps! If my answer was not clear enough or you’d like further explanation please let me know.