ANSWERS:
Compare your answers to the ones typed below.  Read each one carefully.  Notice the commas.

1. Johnny came marching home because the war was over. 
2. Walking past the butcher shop, the dog began to drool. 
3. Georgia borrowed thirty dollars from Zack, but Zack does not expect that she will pay him back. 
4. Larry spent last month traveling through France with his aunt, a historian with expertise in European history. 
5. The classical pianist who recently appeared on Great Performances moved the audience to tears.