Answer:
  âExplain yourself, Paul.â The teacher demanded sternly.  âI am sorry. I know I should not have cheated on my math test.  Last night I should have been studying, but we have a big game tonight.
  So I practiced my jump shots instead. So when you handed me the pop quiz I panicked. I know that doesnât justify what I did, but I made a mistake that will never happen again. I promise.  So, please let me play tonight. Paul pleaded.
Explanation:
Grammar that could be used if you wanted?
"Paul, explain yourself." The teacher demanded emphatically. "I apologize. I'm aware that I should not have cheated on my arithmetic test. I should have studied last night, but we have a huge game tonight.
Instead, I practiced my jump shots. So I worried when you handed me the pop quiz. I realize it doesn't excuse what I did, but I made a mistake that will not be repeated. I guarantee it. So, please allow me to perform tonight. Paul begged.
A paragraph should include four to five sentences, although it can contain up to six sentences.