Grammar Quiz 7 CommasYou have three attempts and unlimited time to complete this quiz on commas. The quiz will be unavailable after 8:30am 10/12/10.GQ7 Which of the following contains a comma error?Jack threw Bill up against the wall in anger, and the force created a big hole in the drywall.In anger, Jack threw Bill up against the wall, and the force created a big hole in the drywall.When Jack threw Bill up against the wall in anger, the force created a big hole in the drywall.Bill was thrown by Jack, up against the wall in anger. The force created a big hole in the drywall.All are correct.GQ7 Which of the following contains a comma error?Hopefully, you remember that a comma follows an introductory word or phrase that is attached to an independent clause.If you do remember this rule, you will be able to spot the error for this question easily.After all finding comma errors is easy if you just apply the rules we've discussed.However, if you haven't been paying attention, you might not be able to figure out which one of these sentences has an error.On the other hand, if you've been paying attention, it should be a no-brainer.GQ7 Which of the following contains a comma error?The coffee pot was set to go off at 4am sharp; however, the power outage reset the clock and erased the programmed start time.The coffee pot was set to go off at 4am sharp, however, the power outage reset the clock and erased the programmed start time.The coffee pot was set to go off at 4am sharp. However, the power outage reset the clock and erased the programmed start time.The coffee pot was set to go off at 4am sharp, but the power outage reset the clock and erased theprogrammed start time.All are correct.GQ7 Which of the following contains a comma error?To become a good guitar player, you must practice every day.Part of the benefit of practicing every day is that you develop calluses on your fingers.The calluses make it easier for you to play for long periods of time without pain and they allow you to create cleaner sounding notes.In order to build up these calluses, you should play for at least 15 minutes each day.It doesn't matter what you play. It only matters that you get your fingers on the strings.GQ7 Which of the following contains a comma error?Milk that comes from grass-fed steroid-free cows has been gaining market share.Milk that comes from grass-fed, steroid-free cows has been gaining market share.Milk that comes from grass-fed cows that haven’t been given steroids has been gaining market share.Milk that comes from steroid-free, grass-fed cows is popular, and it has been gaining market share.All are