"X" is a special letter in that we often use it by itself. It's useful in a lot of situations. In the middle of a word, however, it can be pronounced in a few different ways.

Do you want to prepare for that big job interview? If so, take a look. Gabrielle offers some valuable information and a few helpful hints.

Gabrielle presents three key questions you're likely to face when being interviewed for a job. Her advice is spot on.

"Y" is a tricky letter because it's both a consonant and a vowel. As a vowel, it has different sounds. Don't worry. But hey, maybe keep your eye on the "Y." Don't let it fly away.

Anna, from Cambridge University Press, explains how and when to use the Present Simple.

The British band Madness had a major UK hit with this song, and with good reason: heartfelt and nutty in equal measure, it would bring the house down at every Madness show. The video — filmed above and below water — is one of their classics, with cameo appearances by Big Bird, a killer whale, and Labi Siffre, who wrote the song.

Sigrid finishes the alphabet with "Z," covering words like "zone" and "zebra," but also the useful suffix "-ize."

Living together can be challenging, even for good friends. Maggie, as a guest and friend, can't help but notice that Julia is feeling frustrated about something.

Sigrid explains what cardinal numbers are and gives us some writing and pronunciation tips.

Annette recites a poem to help students with English pronunciation and its maddening inconsistencies.

It turns out that Rachael is also unhappy, and Maggie is feeling more and more uncomfortable about being in the middle of things.

Ordinal numbers help us put things in order or in a sequence. Sigrid teaches us the suffixes we use to turn cardinal numbers into ordinal ones.

Annette provides some biographical notes on Maya Angelou and then recites her poem “Caged Bird." The poem followed Angelou's memoir volume, I Know Why the Caged Bird Sings.

Maggie decides to intervene, and finally the girls are encouraged to stop sulking and talk about their issues.

Dates are usually expressed with ordinal numbers. Sometimes, though, what we write is different from what we say.