problem

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

A major problem for the project was the lack of reliable internet, so the research kept freezing and the citations wouldn't load.

A major ____ for the project was the lack of reliable internet, so the research kept freezing and the citations wouldn't load.