2. c. Don't give a repetition of facts word for word.
3. a. Fragment - Although he rarely goes. to the mall, to the store, on vacation, to a party, to school.
4. a. Fragment - When the stone hit the window. , it shattered., , the stone bounced off., , my father yelled at me.
5. b. comma-splice - the comma or and not both
6. c. no error
7. b. comma-splice - think, I have ever missed <-------fragmented due to the missing of have (I have never missed my appointment., I may have missed my appointment.)