Audio Index: 31:48

Topics: Ask an American: Sleep-deprived teenagers; to buy versus to purchase versus to acquire; to burn the candle at both ends; Let’s versus shall we? versus why don’t we?

Words:

out of it

period

to stay awake

sleep-deprived

cranky

depression

astonishing

health center

admission

fatigue

tardiness

alert

to buy

to purchase

to acquire

to burn the candle at both ends

let’s

Shall we?

Why don’t we?