Gap-fill. Can you guess how many bacteria live in your mouth? Find out on this episode of “Weird But True!—Fast Facts.” 

Can you guess how many bacteria live in your mouth? Find out on this episode of “Weird But True!—Fast Facts.” 

Mouthful - Weird But True!—Fast Facts - Vocabulary

mouthful-weird-but-true-fast-facts-vocabulary

Let's do English ESL deep listening: focus on meaning. Gap-fill. Can you guess how many bacteria live in your mouth? Find out on this episode of “Weird But True…