Sentence 1: Larry was thinking of cheating on his test. 
 Sentence 3: He didn't want to cheat but he didn't study 
 Sentence 4:  Larry glanced over at another classmate's paper 
 Sentence 5:  The teacher came up behind him and caught him! 
 Option 1: He was so nervous. 
 Option 2: He had studied so he decided not to risk it.