Test your knowledge
Quiz these words
NECESSITY IS THE MOTHER OF INVENTIONINVENTIVEINNOVATEPROSPERNECESSITY
Track your Progress. Register for Free
Register for Free to Track Progress
Share it with your friends
Download the free Flash Player now!
Get unlimited Watch, Learn and Speak access to our online library
Get unlimited access to Premium+ content from leading publishers
Embedded code copied to your clipboard
Obama is always so confident and charming.
it is wonderful !!
Clear message will reach the people.
He is No.1 of speech and country.lol
it is very nice
English coment of President sounds like friendly ! Because he use many ''your'', so his word are so kind.