Which sentence uses commas correctly? A. Penguins, rheas and, ostriches are birds that cannot fly. B. Rice, beans, and tortillas
are foods commonly eaten in Mexico, Guatemala, and Costa Rica. C. Hot chocolate requires cocoa, milk, sugar, and, marshmallows. D. Australia's possums live in treetops sip nectar and only come out at night.
The sentence that uses commas correctly is B) Rice, beans, and tortillas are foods commonly eaten in Mexico, Guatemala, and Costa Rica. You have to add a comma in front of <em>and.</em>
I just did this on study island and got it right. Also You can tell that Hope loves The House on Mango Street?, because the answer uses words like "excited", so show that she is proud and loves the book report that she wrote. Hope this helps. :-D