Swine Flu Vaccine Effective for Adults

Watch the Video

Type the missing words

Speak and get feedback

Quiz vocabulary

Purchase to continue

Processing your order

Unable to process your order

Thank You

Test your knowledge
Quiz these words

PANDEMIC
ROBUST
DOSE
VACCINE
TRIAL

Start Restart Resume Try Again
Loading the player... Player initializing...
Loading the player... Player initializing...

Demo Mode
Track your Progress. Register for Free

Great Job!

Great Job!

quizzed words

correct

Great Job!

Register for Free to Track Progress

+100

You've reached your Free 2 Full Lessons / month limit

Upgrade to continue. Watching is always FREE
  • Why upgrade to Premium?

  • Get unlimited Watch, Learn and Speak access to our online library

  • Get unlimited access to Premium+ content from leading publishers



Upgrade to Premium
Intermediate
4,017 views

Register. It's free!

Teacher Webinar Sign-up.

Please input your native language.
Facebook
- or -
Email
I agree to the Terms of Service and Privacy Policy . You must accept the terms and conditions to use this site.

Comments

    Archived Comments

    • Pumpkin posted on July 11, 2010 7:49:05 PM

      惊,我以前都没听说过这个哎~

    • monje posted on May 27, 2010 5:22:59 PM

      what's the problem?

Displaying 2 of 4 View All »

Top Scores

  • Last 30 days
  • All Time
  • 1 1252 Teddy
  • 2 1252 makimaki
  • 3 1252 TammyBB
  • 4 1252 RTMysak
  • 5 1252 Renie
  • 6 1252 Leila Costa
  • 7 1252 Koyoshi
  • 8 1252 Rudney
  • 9 1252 宮崎泰子
  • 10 1248 dkim
Privacy Policy | Terms of Use | Copyright © 2015 EnglishCentral, Inc.