SING ALONG.You Say 'Tomato', I say 'Tomato'...

Watch again the vido from Fred Astaire and Ginger Roberts about different ways of pronounce some English words, and if you want to Sing along, the words are in this link:

I SAY POTATO YOU SAY POTAHTO 

ENGLISH-UNIT 5. Modal verbs.Have to, must, must not

Have to, Must, Must not Quiz

HOW WELL DO YOU KNOW MODAL VERBS?. TEST YOURSELF:
Click here

SCIENCE-UNIT 4. HUMAN BODY. Circulatory system.Capillaries | Biology | Anatomy

Do you want to know, how the capillaries work?
You can watch this amazing video to check