Sentence 1: Gary got a job as a proofreader with a big firm. 
 Sentence 3: He had to squint and he was worried he was missing mistakes 
 Sentence 4:  He came in the next day with new glasses 
 Sentence 5:  He looked over the previous day's work to make sure 
 Option 1: His first day, he broke his watch on the way in to work. 
 Option 2: His first day, he broke his glasses on the way in to work.