Test your knowledge
Quiz these words
Track your Progress. Register for Free
Register for Free to Track Progress
Share it with your friends
Get Access to over 9000 video lessons and 100 courses.
Build your vocabulary to fluency with our time interval learning system.
Speak and get instant feedback on your pronunciation & fluency.
Get real time reports, weekly reports and "level up" tests.
Embedded code copied to your clipboard
Will Ferrell: A Brighter Idea
Shark Week 101: How to Dodge a Charging Shark
Earthquakes Can Turn Water into Gold
Renewable Energy: "I Love Mountains"
| 20 videos, 4 units
| 60 videos, 12 units
| 20 videos, 5 units
| 25 videos, 8 units
uwow... earth have a cold?
heloo everyone ^_^
@BKADH2010: Can you please send us a screenshot/picture of the problem that you are experiencing at email@example.com?
@Tigonfl: Kindly download or update your Adobe Flash Player. If it doesn't work for you, please email us at firstname.lastname@example.org and we'll do our best to assist you.
"bottle caps, soap bottles, shards of plastic" why it is not recorded?
so bad microphone. what is going on?
we must be carful for future life