Commas

Which of the following is correct?
Options:
1. This, Brunhilda, is not your best effort.
2. This Brunhilda, is not your best effort.
3. This Brunhilda is not your best, effort.
4. This, Brunhilda is not your best effort.

When do you use this type of rule: There were punch, cookies, and cake at the party.

Which sentence is correct? Options: The dogs, and cats ate bowls of pet food at the shelter., The dogs and, cats, ate bowls of pet, food at the shelter., The dogs and cats ate bowls of pet food at the shelter., The, dogs, and, cats, ate, bowls of, pet food at, the shelter.

Where should the comma be placed in the sentence: "Harold is an excellent singer and he can dance all of the latest dance moves."? Options: Insert comma before the conjunction (,and), Insert comma after the conjunction (and,), No comma needed

I want Harold to show me how to dance but I’m afraid to ask him. (Where should the comma be inserted?)

Does the sentence "Harold is going to the prom with Kendra or Olivia" need a comma?

Which sentence uses commas correctly? Options: Jim is very bold and smart but he doesn't always say nice things to people. , Jim is very bold and smart, but he doesn't always say nice things to people. , Jim, is very bold and smart but he doesn't always say nice things to people. , Jim is very bold, and smart, but he doesn't always say nice things to people. 

Which sentence uses commas correctly? Options: I went to the store and bought apples, oranges and bananas. , I went to the store and bought apples, oranges, and, bananas. , I went to the store, and bought apples oranges and bananas. , I went to the store and bought apples, oranges, and bananas. 

Which sentence uses commas correctly? Options: Since I was absent on Tuesday, I have a lot of make-up work to do. , Since, I was absent on Tuesday I have a lot of make-up work to do. , Since I was absent, on Tuesday, I have a lot of make-up work to do. , Since I was absent on Tuesday, I have a lot, of make-up work to do. 

Which sentence uses commas correctly? Options: Our apartment walls, are very thin so we can hear our neighbors talking. , Our, apartment walls, are very thin so we can hear our neighbors talking. , Our apartment walls are very thin, so we can hear our neighbors talking. , Our apartment walls are very, thin so we can hear our neighbors talking.