Which set contains only English vowels?
Beginner
A a, e, i, o, u
B b, c, d, f, g
C a, e, k, o, u
D a, b, c, d, e
Show answer & explanation
a, e, i, o, u
English has exactly five vowels: **a, e, i, o, u**. The other sets mix in consonants like b, c, d, f, g, k.
What happens to the airflow in your mouth when you say a vowel?
Beginner
A It is pushed through the nose only
B It is stopped by the teeth
C It is blocked by the tongue
D It flows out freely without obstruction
Show answer & explanation
It flows out freely without obstruction
Vowels are produced with **open airflow** — no obstruction from tongue, lips or teeth. Consonants need some block.
A student writes the prompt: 'Show vowel e.' The AI produces a random clip with the wrong sound. What is the main reason?
Intermediate
A The letter 'e' cannot be shown in video
B The prompt was too long for the AI
C The prompt did not specify the sound or example words
D The AI tool does not support vowels
Show answer & explanation
The prompt did not specify the sound or example words
A vague prompt gives random output. The prompt must mention the **letter and the sound** (e.g. 'eh' as in pen) plus examples.