Sentence 1: Bob had always wanted to fly an airplane. 
 Sentence 3: He spent months studying and practicing 
 Sentence 4:  Last week Bob went on his first solo flight 
 Sentence 5:  It was everything he had ever dreamed of 
 Option 1: After years of dreaming he finally few one. 
 Option 2: After years of dreaming he finally signed up for lessons.