EXERCISE
In the blanks provided, indicate whether the following sentences are correct (C) or contain a comma 
splice (CS) or a run-on (R-0).
Example: Red is my favorite color I don=t like purple.
run-on 
1. Some people know very early in life what they want to do with their life, others never 
know. CS
2. One Nobel Prize winner knew by age ten that he wanted to be a scientist.RO

3. Some people change majors several times before they find a profession they like some 
know their chosen field right from the start of their college education. RO
4. Many people choose not to go to college, they prefer to get a job right out of high 
school. CS
5. Mary, a cousin of mine, is still in college at age fifty she says she doesn=t know what she 
wants to be when she grows up. RO
6. Allan, a nephew of mine, wants to be a professional student; he already has two 
master=s degrees and a doctorate and is pursuing still another master=s. RO
7. In addition, some people spend a lifetime doing something they really aren=t happy 
doing by the time they realize they are in the wrong field, it may be too late to change. RO

8. Satisfaction with one=s chosen career is very important, choosing the right career is not 
always easy. CS
9. There are computerized career services, as well as other guidance counselors, available 
for those who need help, it is up to each person to seek help, though. CS
10. One can waste a great deal of valuable time choosing a career by the common trial 
and error method it would be much wiser for each individual to seek professional help in 
selecting the right career. RO
11. On the first day of the tour we visited the Capitol, we spent the second day at the
Smithsonian Institute. CS
12. Even though I did not feel very well today, I went to my morning classes I cut my 
afternoon English class. RO
13. That the sun always rises is a true statement. 14. Carole has been in the hospital for more than an week, I hope the doctors will be able 
to determine what is wrong with her. CS
15. Although the weather is unusually stormy this spring, spring usually is our wettest 
season. CS
16. Working for sixty hours a week is not unusual for him in fact, some weeks he works 
more than seventy hours. CS
17. Kimberly explained her project to us we carefully listened. RO
18. Connor squealed happily as the other children danced around him. C