Antonyms and Prefix Quiz

This is an online multiple choice quiz with 20 questions where you have to choose the correct antonym (word that means the opposite). All the answer options are made from the root word with a prefix added to it. Can you work out the correct opposite?

Screen shot: 
Level: 
Lower Intermediate
Overall Design: 
Good
Graphic Presentation: 
Standard
Video Presentation: 
Standard
Audio Presentation: 
N/A
Instructions: 
Standard
Learning Objectives: 
Standard
Assessment Method: 
Good
Learning Styles: 
Below Standard
Interactivity: 
N/A
Learn/Remember/Recall: 
Standard
Final rating: 
63