solution

Learn • nouns • Session size: 10

Practice is designed to help you get familiar with the replacement words. Some sentences may have small grammar errors, and sometimes more than one answer could work—focus on choosing the best replacement word.

Question 1 of 10Score: 0

Boring sentence

The solution was a new hallway rule, and passing time became calmer once everyone practiced it for a week.

The ____ of the new hallway rule made passing time calmer once everyone practiced it for a week.