Sentence 1: Jenny knew that the midterm was only a week away. 
 Sentence 3: She study relentlessly 
 Sentence 4:  The day of the big test came 
 Sentence 5:  She worked through it all carefully and knew that she aced it 
 Option 1: She had not done very well in class so she decided to drop out. 
 Option 2: She had not done very well in class, but was determined to do better.