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 ## 1. What is 2 + 2?
 
-5
+4
 
 ## 2. What is JavaScript?
 
-An exciting new play about coffee.
+JavaScript is a powerful scripting languages that many programmer used for 
+web application, web development, game development and more.
 
 ## 3. Name three problems Git & GitHub solve?
 
-When people want to show off code to each other they can put it on GitHub
+Git and git hub help us resolve 3 main problem.
+
+-The first problem that git and github solve that both provide us a powerful tool that allow us save, modify and control the workflow progress.
+-The second problem git and github solve is that is allow other programmer contribute in a open source project  and help each other project in return.
+-the third problem git and github solve is that is help to build a digital bridge that allow both new and experience programmer no matter the distant meet each other and help build a thriving community.
 
 ## 4. What happens when you `fork` a repository?
 
-You delete it
+When you fork a repository, you make a copy version of the original repository that owned by another programmer and set yourself as the owner of the copy repository. The fork repository then will be add your repository list for further used.
 
 ## 5. What happens when you clone a repository?
 
-It send it to a friend
+When you clone a repository, it will download the repository from your online github github into your local machine.
 
 ## 6. What is a Pull Request?
 
-When you send a file over the internet
+A pull request is a special github feature that you used to ask other developer check the change you make in your own repository branch before merge and push the change into the main branch.
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