Because when reading inside your head you may miss spelling errors and you may have typed a word multiple times. when reading out loud you may realize a sentence is confusing or has minor grammer mistakes
 
        
             
        
        
        
False. Before this he had written a lot of fictional books and they were all successful and are still being used as reading materials in many schools up to present. He also wrote the story Huckleberry Finn before the story of Tom Sawyer came to be.
        
             
        
        
        
Answer by YourHope:
Hi! :)
The way we express ourselves varies. Sometimes and in some places, we speak or write informally, but at other times or in other places, we speak or write more formally. The more formal word choices are called standard or conventional. Which list of settings is acceptable for more formal speech and writing choices?
C) language arts essay, conversation with your principal, computer manual!
:)