Many writers of English blur the meaning of what they want to say by confusing words that either sound similar or have a similar but not exactly equivalent meaning. This is a test to help students to clarify the meanings of these couple of words. avoid/ prevent, stay/live, bring/take, uninterested/disinterested, bored/boring, there/their/they're, your/you're, hoard/horde, principal/principle, affect/effect
