Answer:
1. 2. 4. 5. 8.
Explanation:
Most of the errors are misplaced commas, so it´s important to remember that a comma should be placed be between independent clauses joined by a coordinating conjunction, and it can also be used to separate independent clauses inside a sentence.
Here are the sentences with the errors corrected:
1. While waiting for our plane to take off, I noticed that one of my friends was a passenger.
2. Joe, the passenger I knew, was someone that I met last summer at basketball camp.
4. Everyone learned how to shoot, pass, and dribble the ball with more intensity and skill.
5. "How's it going, Joe?" I said.
8. "I hope you have a great time, but don't forget about all of us 'little
people' on your climb to the top!" I said.
