Let's look at our answer choices:

"My little brother's birthday is on July 7 2007." This option is not correct because when writing a date, a comma must always be placed between the day and the year. 

"My mom had to run to the store because she needed bread milk, and eggs." This option is not correct because commas must be placed between items in a list. There should be a comma between "bread" and "milk. 

"Because the roads were covered in ice the police department recommended that people stay off of the roads." This option is not correct because a comma must be placed between a dependent clause and an independent clause. "Because the roads were covered in ice" is a dependent clause because it starts with the word "because". There should be a comma after "ice". 

"My parent's wedding anniversary is on April 4, 1987. " This is the correct option because the comma is appropriately placed between the day and the year. 

Let's look at our answer choices:

"My family got our dog on January 5 2015." This option is not correct because when writing a date, a comma must always be placed between the day and the year. 

"My dad had to go to the store because he needed cereal milk, and eggs." This option is not correct because commas must be placed between items in a list. There should be a comma between "cereal" and "milk. 

"Because I received all high grades on my report card my parents took me out to a fancy dinner. " This option is not correct because a comma must be placed between a dependent clause and an independent clause. ""Because I received all high grades on my report card" is a dependent clause because it starts with the word "because". There should be a comma after "card. 

"I realized that I forgot to pack sunscreen, a towel, and sandals." This is the correct option because commas are correctly placed after each item in this list. 

Let's look at our answer choices:

"My family got our dog on January 5 2015." This option is not correct because when writing a date, a comma must always be placed between the day and the year. 

"My dad had to go to the store because he needed cereal milk, and eggs." This option is not correct because commas must be placed between items in a list. There should be a comma between "cereal " and "milk. 

"I realized that I forgot to pack sunscreen a towel, and sandals." This option is not correct because commas must be placed between items in a list. There should be a comma between "sunscreen " and "a towel.

 "Because I received all high grades on my report card, my parents took me out to a fancy dinner." This option is correct because a comma much be placed between a dependent clause and an independent clause. There is a a comma placed between the dependent clause and independent clause.