Select "Correct" if the sentence is punctuated correctly and "Run-on" if it is not.

1. He defrosted the old refrigerator it is still packed with ice.
A) Correct
B) Run-on

2. Ralph drove the tractor farming is his hobby.
A) Correct
B) Run-on

3. Trish is remodeling her apartment, and there is sawdust everywhere.
A) Correct
B) Run-on

4. At the time of the strike, the workers were firm in their demands
A) Correct
B) Run-on

5. Wayne is leaving for London, so he rented his house for a month.
A) Correct
B) Run-on

6. Angela returned to work good day care was hard to find.
A) Correct
B) Run-on

7. Riding the express train is a pleasure, the cars are air-conditioned.
A) Correct
B) Run-on