Mastery Prep Commas

The explorers reached the edge of the forest, where they gathered water and they decided to set up camp for the night.

• NO CHANGE

• water and, they decided

• water, and they decided

• water and, they decided,

We ordered in French, so it took the waiter a few minutes to understand and bring out our drinks.

• NO CHANGE

• take the order,

• take the order;

• understand them

Even though she hadn't practiced the piano in years she still remembered how to play the piece almost perfectly.

• NO CHANGE

• in years; she still remembered

• in years she, still remembered

• in years, she still remembered

Growing up, in Florida, in the 1990s Sara developed a deep appreciation for video games.

• NO CHANGE

• up in Florida in the 1990s

• up, in Florida in the 1990s

• up in Florida in the 1990s,

Every winter, thousands of tourisits, come to Colorado. They enjoy the snowy mountains and scenic views.

• NO CHANGE

• thousands, of tourists

• thousands of tourists

• thousands of tourists,

Mrs. Barnes, the librarian, then decorated a banner with red, white, and blue stripes; hung it; and began pouring soda for the class.

• NO CHANGE

• stripes, hung it

• stripes hung it,

• stripes, hung it;

What's already clear, is that the image of coal miners as rough men fails to take into account the great diversity within the profession.

• NO CHANGE

• clear is that,

• clear is, that

• clear is that

The school day was over, the children had returned home; and everyone was sitting in the kitchen waiting for dinner.

• NO CHANGE

• over, the children had returned home

• over the children had returned home,

• over the children had returned home;

In mythology, of the ancient tribes of Ireland, selkies live as seals in the sea and become human on land.

• NO CHANGE

• mythology of ancient tribes, of Ireland

• mythology, of ancient tribes, of Ireland

• mythology of ancient tribes of Ireland,

The heart-shaped, dark-brown chocolates sat waiting for my valentine on his desk.

• NO CHANGE

• heart-shaped, dark-brown, chocolates

• heart-shaped, dark-brown chocolates

• heart-shaped dark-brown chocolates,